Finding the Fourth Proportional to 23,006,781,085.92, 31,749,047,474.04 and 12,845,665,470.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,006,781,085.92 : 31,749,047,474.04 = 12,845,665,470.12 : x
2. Step 2: Convert to fraction form
   23,006,781,085.92/31,749,047,474.04 = 12,845,665,470.12/x
3. Step 3: Cross multiply
   23,006,781,085.92x = 31,749,047,474.04 × 12,845,665,470.12
4. Step 4: Simplify right side
   23,006,781,085.92x = 407,837,642,846,476,304,384
5. Step 5: Solve for x
   x = 407,837,642,846,476,304,384/23,006,781,085.92
6. Step 6: Final answer
   x = 17,726,845,025.53