Finding the Fourth Proportional to 42,538.50, 58,778.25 and 33,656.55

Step by Step Solution

1. Step 1: Write the proportion equation
   42,538.50 : 58,778.25 = 33,656.55 : x
2. Step 2: Convert to fraction form
   42,538.50/58,778.25 = 33,656.55/x
3. Step 3: Cross multiply
   42,538.50x = 58,778.25 × 33,656.55
4. Step 4: Simplify right side
   42,538.50x = 1,978,272,816.15
5. Step 5: Solve for x
   x = 1,978,272,816.15/42,538.50
6. Step 6: Final answer
   x = 46,505.47