Finding the Fourth Proportional to 1,431,612,314.11, 2,147,499,129.24 and 435,665,733.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,431,612,314.11 : 2,147,499,129.24 = 435,665,733.61 : x
2. Step 2: Convert to fraction form
   1,431,612,314.11/2,147,499,129.24 = 435,665,733.61/x
3. Step 3: Cross multiply
   1,431,612,314.11x = 2,147,499,129.24 × 435,665,733.61
4. Step 4: Simplify right side
   1,431,612,314.11x = 935,591,783,565,002,624
5. Step 5: Solve for x
   x = 935,591,783,565,002,624/1,431,612,314.11
6. Step 6: Final answer
   x = 653,523,146.14