Finding the Fourth Proportional to 147,510,898.43, 203,559,704.61 and 81,429,978.39

Step by Step Solution

1. Step 1: Write the proportion equation
   147,510,898.43 : 203,559,704.61 = 81,429,978.39 : x
2. Step 2: Convert to fraction form
   147,510,898.43/203,559,704.61 = 81,429,978.39/x
3. Step 3: Cross multiply
   147,510,898.43x = 203,559,704.61 × 81,429,978.39
4. Step 4: Simplify right side
   147,510,898.43x = 16,575,862,347,467,084
5. Step 5: Solve for x
   x = 16,575,862,347,467,084/147,510,898.43
6. Step 6: Final answer
   x = 112,370,425.00