Finding the Fourth Proportional to 91,814.31, 137,722.07 and 25,261.47

Step by Step Solution

1. Step 1: Write the proportion equation
   91,814.31 : 137,722.07 = 25,261.47 : x
2. Step 2: Convert to fraction form
   91,814.31/137,722.07 = 25,261.47/x
3. Step 3: Cross multiply
   91,814.31x = 137,722.07 × 25,261.47
4. Step 4: Simplify right side
   91,814.31x = 3,479,061,939.64
5. Step 5: Solve for x
   x = 3,479,061,939.64/91,814.31
6. Step 6: Final answer
   x = 37,892.37