Finding the Fourth Proportional to 60,719.02, 83,815.29 and 45,655.40

Step by Step Solution

1. Step 1: Write the proportion equation
   60,719.02 : 83,815.29 = 45,655.40 : x
2. Step 2: Convert to fraction form
   60,719.02/83,815.29 = 45,655.40/x
3. Step 3: Cross multiply
   60,719.02x = 83,815.29 × 45,655.40
4. Step 4: Simplify right side
   60,719.02x = 3,826,620,800.60
5. Step 5: Solve for x
   x = 3,826,620,800.60/60,719.02
6. Step 6: Final answer
   x = 63,021.78