Finding the Fourth Proportional to 61,131.88, 91,687.98 and 16,748.26

Step by Step Solution

1. Step 1: Write the proportion equation
   61,131.88 : 91,687.98 = 16,748.26 : x
2. Step 2: Convert to fraction form
   61,131.88/91,687.98 = 16,748.26/x
3. Step 3: Cross multiply
   61,131.88x = 91,687.98 × 16,748.26
4. Step 4: Simplify right side
   61,131.88x = 1,535,614,127.91
5. Step 5: Solve for x
   x = 1,535,614,127.91/61,131.88
6. Step 6: Final answer
   x = 25,119.69