Finding the Fourth Proportional to 73,957.86, 102,061.62 and 42,126.89

Step by Step Solution

1. Step 1: Write the proportion equation
   73,957.86 : 102,061.62 = 42,126.89 : x
2. Step 2: Convert to fraction form
   73,957.86/102,061.62 = 42,126.89/x
3. Step 3: Cross multiply
   73,957.86x = 102,061.62 × 42,126.89
4. Step 4: Simplify right side
   73,957.86x = 4,299,538,128.65
5. Step 5: Solve for x
   x = 4,299,538,128.65/73,957.86
6. Step 6: Final answer
   x = 58,134.97