Finding the Fourth Proportional to 91,693.98, 137,539.86 and 25,134.05

Step by Step Solution

1. Step 1: Write the proportion equation
   91,693.98 : 137,539.86 = 25,134.05 : x
2. Step 2: Convert to fraction form
   91,693.98/137,539.86 = 25,134.05/x
3. Step 3: Cross multiply
   91,693.98x = 137,539.86 × 25,134.05
4. Step 4: Simplify right side
   91,693.98x = 3,456,933,967.83
5. Step 5: Solve for x
   x = 3,456,933,967.83/91,693.98
6. Step 6: Final answer
   x = 37,700.77