Finding the Fourth Proportional to 59,747.70, 82,477.35 and 42,531.18

Step by Step Solution

1. Step 1: Write the proportion equation
   59,747.70 : 82,477.35 = 42,531.18 : x
2. Step 2: Convert to fraction form
   59,747.70/82,477.35 = 42,531.18/x
3. Step 3: Cross multiply
   59,747.70x = 82,477.35 × 42,531.18
4. Step 4: Simplify right side
   59,747.70x = 3,507,859,018.77
5. Step 5: Solve for x
   x = 3,507,859,018.77/59,747.70
6. Step 6: Final answer
   x = 58,711.20