Finding the Fourth Proportional to 91,901.02, 137,657.76 and 42,023.04

Step by Step Solution

1. Step 1: Write the proportion equation
   91,901.02 : 137,657.76 = 42,023.04 : x
2. Step 2: Convert to fraction form
   91,901.02/137,657.76 = 42,023.04/x
3. Step 3: Cross multiply
   91,901.02x = 137,657.76 × 42,023.04
4. Step 4: Simplify right side
   91,901.02x = 5,784,797,554.79
5. Step 5: Solve for x
   x = 5,784,797,554.79/91,901.02
6. Step 6: Final answer
   x = 62,945.96