Finding the Fourth Proportional to 60,816.18, 91,253.15 and 42,124.98

Step by Step Solution

1. Step 1: Write the proportion equation
   60,816.18 : 91,253.15 = 42,124.98 : x
2. Step 2: Convert to fraction form
   60,816.18/91,253.15 = 42,124.98/x
3. Step 3: Cross multiply
   60,816.18x = 91,253.15 × 42,124.98
4. Step 4: Simplify right side
   60,816.18x = 3,844,037,118.69
5. Step 5: Solve for x
   x = 3,844,037,118.69/60,816.18
6. Step 6: Final answer
   x = 63,207.47