Finding the Fourth Proportional to 80,942,450.58, 121,353,839.49 and 42,025,026.18

Step by Step Solution

1. Step 1: Write the proportion equation
   80,942,450.58 : 121,353,839.49 = 42,025,026.18 : x
2. Step 2: Convert to fraction form
   80,942,450.58/121,353,839.49 = 42,025,026.18/x
3. Step 3: Cross multiply
   80,942,450.58x = 121,353,839.49 × 42,025,026.18
4. Step 4: Simplify right side
   80,942,450.58x = 5,099,898,281,610,768
5. Step 5: Solve for x
   x = 5,099,898,281,610,768/80,942,450.58
6. Step 6: Final answer
   x = 63,006,472.44