Finding the Fourth Proportional to 60,619.55, 83,689.68 and 40,510.49

Step by Step Solution

1. Step 1: Write the proportion equation
   60,619.55 : 83,689.68 = 40,510.49 : x
2. Step 2: Convert to fraction form
   60,619.55/83,689.68 = 40,510.49/x
3. Step 3: Cross multiply
   60,619.55x = 83,689.68 × 40,510.49
4. Step 4: Simplify right side
   60,619.55x = 3,390,309,526.29
5. Step 5: Solve for x
   x = 3,390,309,526.29/60,619.55
6. Step 6: Final answer
   x = 55,927.66