Finding the Fourth Proportional to 42,564.11, 63,846.03 and 42,502.55

Step by Step Solution

1. Step 1: Write the proportion equation
   42,564.11 : 63,846.03 = 42,502.55 : x
2. Step 2: Convert to fraction form
   42,564.11/63,846.03 = 42,502.55/x
3. Step 3: Cross multiply
   42,564.11x = 63,846.03 × 42,502.55
4. Step 4: Simplify right side
   42,564.11x = 2,713,619,082.38
5. Step 5: Solve for x
   x = 2,713,619,082.38/42,564.11
6. Step 6: Final answer
   x = 63,753.69