Finding the Fourth Proportional to 61,363.72, 91,990.17 and 42,652.56

Step by Step Solution

1. Step 1: Write the proportion equation
   61,363.72 : 91,990.17 = 42,652.56 : x
2. Step 2: Convert to fraction form
   61,363.72/91,990.17 = 42,652.56/x
3. Step 3: Cross multiply
   61,363.72x = 91,990.17 × 42,652.56
4. Step 4: Simplify right side
   61,363.72x = 3,923,616,245.34
5. Step 5: Solve for x
   x = 3,923,616,245.34/61,363.72
6. Step 6: Final answer
   x = 63,940.33