Finding the Fourth Proportional to 60,025.76, 82,747.68 and 42,066.48

Step by Step Solution

1. Step 1: Write the proportion equation
   60,025.76 : 82,747.68 = 42,066.48 : x
2. Step 2: Convert to fraction form
   60,025.76/82,747.68 = 42,066.48/x
3. Step 3: Cross multiply
   60,025.76x = 82,747.68 × 42,066.48
4. Step 4: Simplify right side
   60,025.76x = 3,480,903,625.77
5. Step 5: Solve for x
   x = 3,480,903,625.77/60,025.76
6. Step 6: Final answer
   x = 57,990.16