Finding the Fourth Proportional to 66,622.62, 91,895.83 and 42,711.42

Step by Step Solution

1. Step 1: Write the proportion equation
   66,622.62 : 91,895.83 = 42,711.42 : x
2. Step 2: Convert to fraction form
   66,622.62/91,895.83 = 42,711.42/x
3. Step 3: Cross multiply
   66,622.62x = 91,895.83 × 42,711.42
4. Step 4: Simplify right side
   66,622.62x = 3,925,001,391.38
5. Step 5: Solve for x
   x = 3,925,001,391.38/66,622.62
6. Step 6: Final answer
   x = 58,913.95