Finding the Fourth Proportional to 60,787.76, 83,931.53 and 39,290.22

Step by Step Solution

1. Step 1: Write the proportion equation
   60,787.76 : 83,931.53 = 39,290.22 : x
2. Step 2: Convert to fraction form
   60,787.76/83,931.53 = 39,290.22/x
3. Step 3: Cross multiply
   60,787.76x = 83,931.53 × 39,290.22
4. Step 4: Simplify right side
   60,787.76x = 3,297,688,082.19
5. Step 5: Solve for x
   x = 3,297,688,082.19/60,787.76
6. Step 6: Final answer
   x = 54,249.22