Finding the Fourth Proportional to 88,816.95, 133,006.73 and 42,015.15

Step by Step Solution

1. Step 1: Write the proportion equation
   88,816.95 : 133,006.73 = 42,015.15 : x
2. Step 2: Convert to fraction form
   88,816.95/133,006.73 = 42,015.15/x
3. Step 3: Cross multiply
   88,816.95x = 133,006.73 × 42,015.15
4. Step 4: Simplify right side
   88,816.95x = 5,588,297,501.88
5. Step 5: Solve for x
   x = 5,588,297,501.88/88,816.95
6. Step 6: Final answer
   x = 62,919.27