Finding the Fourth Proportional to 60,555.80, 83,513.84 and 42,397.22

Step by Step Solution

1. Step 1: Write the proportion equation
   60,555.80 : 83,513.84 = 42,397.22 : x
2. Step 2: Convert to fraction form
   60,555.80/83,513.84 = 42,397.22/x
3. Step 3: Cross multiply
   60,555.80x = 83,513.84 × 42,397.22
4. Step 4: Simplify right side
   60,555.80x = 3,540,754,644.32
5. Step 5: Solve for x
   x = 3,540,754,644.32/60,555.80
6. Step 6: Final answer
   x = 58,470.94