Finding the Fourth Proportional to 60,754.78, 90,981.51 and 42,053.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,754.78 : 90,981.51 = 42,053.50 : x
2. Step 2: Convert to fraction form
   60,754.78/90,981.51 = 42,053.50/x
3. Step 3: Cross multiply
   60,754.78x = 90,981.51 × 42,053.50
4. Step 4: Simplify right side
   60,754.78x = 3,826,090,930.79
5. Step 5: Solve for x
   x = 3,826,090,930.79/60,754.78
6. Step 6: Final answer
   x = 62,975.97