Finding the Fourth Proportional to 60,405.57, 83,330.76 and 42,510.51

Step by Step Solution

1. Step 1: Write the proportion equation
   60,405.57 : 83,330.76 = 42,510.51 : x
2. Step 2: Convert to fraction form
   60,405.57/83,330.76 = 42,510.51/x
3. Step 3: Cross multiply
   60,405.57x = 83,330.76 × 42,510.51
4. Step 4: Simplify right side
   60,405.57x = 3,542,433,106.29
5. Step 5: Solve for x
   x = 3,542,433,106.29/60,405.57
6. Step 6: Final answer
   x = 58,644.15