Finding the Fourth Proportional to 102,172,488.70, 141,115,327.59 and 74,418,846.34

Step by Step Solution

1. Step 1: Write the proportion equation
   102,172,488.70 : 141,115,327.59 = 74,418,846.34 : x
2. Step 2: Convert to fraction form
   102,172,488.70/141,115,327.59 = 74,418,846.34/x
3. Step 3: Cross multiply
   102,172,488.70x = 141,115,327.59 × 74,418,846.34
4. Step 4: Simplify right side
   102,172,488.70x = 10,501,639,880,138,974
5. Step 5: Solve for x
   x = 10,501,639,880,138,974/102,172,488.70
6. Step 6: Final answer
   x = 102,783,440.18