Finding the Fourth Proportional to 60,796.61, 91,288.25 and 54,195.12

Step by Step Solution

1. Step 1: Write the proportion equation
   60,796.61 : 91,288.25 = 54,195.12 : x
2. Step 2: Convert to fraction form
   60,796.61/91,288.25 = 54,195.12/x
3. Step 3: Cross multiply
   60,796.61x = 91,288.25 × 54,195.12
4. Step 4: Simplify right side
   60,796.61x = 4,947,377,663.34
5. Step 5: Solve for x
   x = 4,947,377,663.34/60,796.61
6. Step 6: Final answer
   x = 81,375.88