Finding the Fourth Proportional to 91,927.30, 137,745.15 and 60,726.10

Step by Step Solution

1. Step 1: Write the proportion equation
   91,927.30 : 137,745.15 = 60,726.10 : x
2. Step 2: Convert to fraction form
   91,927.30/137,745.15 = 60,726.10/x
3. Step 3: Cross multiply
   91,927.30x = 137,745.15 × 60,726.10
4. Step 4: Simplify right side
   91,927.30x = 8,364,725,753.42
5. Step 5: Solve for x
   x = 8,364,725,753.42/91,927.30
6. Step 6: Final answer
   x = 90,992.84