Finding the Fourth Proportional to 2,165,468,510.64, 2,988,269,225.16 and 1,225,650,974.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165,468,510.64 : 2,988,269,225.16 = 1,225,650,974.52 : x
2. Step 2: Convert to fraction form
   2,165,468,510.64/2,988,269,225.16 = 1,225,650,974.52/x
3. Step 3: Cross multiply
   2,165,468,510.64x = 2,988,269,225.16 × 1,225,650,974.52
4. Step 4: Simplify right side
   2,165,468,510.64x = 3,662,575,087,945,479,168
5. Step 5: Solve for x
   x = 3,662,575,087,945,479,168/2,165,468,510.64
6. Step 6: Final answer
   x = 1,691,354,582.14