Finding the Fourth Proportional to 80,942,463.33, 121,353,858.62 and 42,025,038.93

Step by Step Solution

1. Step 1: Write the proportion equation
   80,942,463.33 : 121,353,858.62 = 42,025,038.93 : x
2. Step 2: Convert to fraction form
   80,942,463.33/121,353,858.62 = 42,025,038.93/x
3. Step 3: Cross multiply
   80,942,463.33x = 121,353,858.62 × 42,025,038.93
4. Step 4: Simplify right side
   80,942,463.33x = 5,099,900,632,601,091
5. Step 5: Solve for x
   x = 5,099,900,632,601,091/80,942,463.33
6. Step 6: Final answer
   x = 63,006,491.56