Finding the Fourth Proportional to 61,061.58, 84,217.59 and 40,912.02

Step by Step Solution

1. Step 1: Write the proportion equation
   61,061.58 : 84,217.59 = 40,912.02 : x
2. Step 2: Convert to fraction form
   61,061.58/84,217.59 = 40,912.02/x
3. Step 3: Cross multiply
   61,061.58x = 84,217.59 × 40,912.02
4. Step 4: Simplify right side
   61,061.58x = 3,445,511,726.43
5. Step 5: Solve for x
   x = 3,445,511,726.43/61,061.58
6. Step 6: Final answer
   x = 56,426.84