Finding the Fourth Proportional to 61,651.53, 85,079.15 and 42,799.59

Step by Step Solution

1. Step 1: Write the proportion equation
   61,651.53 : 85,079.15 = 42,799.59 : x
2. Step 2: Convert to fraction form
   61,651.53/85,079.15 = 42,799.59/x
3. Step 3: Cross multiply
   61,651.53x = 85,079.15 × 42,799.59
4. Step 4: Simplify right side
   61,651.53x = 3,641,352,737.55
5. Step 5: Solve for x
   x = 3,641,352,737.55/61,651.53
6. Step 6: Final answer
   x = 59,063.46