Finding the Fourth Proportional to 21,059,388.48, 31,591,010.52 and 5,913,217.92

Step by Step Solution

1. Step 1: Write the proportion equation
   21,059,388.48 : 31,591,010.52 = 5,913,217.92 : x
2. Step 2: Convert to fraction form
   21,059,388.48/31,591,010.52 = 5,913,217.92/x
3. Step 3: Cross multiply
   21,059,388.48x = 31,591,010.52 × 5,913,217.92
4. Step 4: Simplify right side
   21,059,388.48x = 186,804,529,517,772.50
5. Step 5: Solve for x
   x = 186,804,529,517,772.50/21,059,388.48
6. Step 6: Final answer
   x = 8,870,368.18