Finding the Fourth Proportional to 42,000.55, 57,960.77 and 23,137.68

Step by Step Solution

1. Step 1: Write the proportion equation
   42,000.55 : 57,960.77 = 23,137.68 : x
2. Step 2: Convert to fraction form
   42,000.55/57,960.77 = 23,137.68/x
3. Step 3: Cross multiply
   42,000.55x = 57,960.77 × 23,137.68
4. Step 4: Simplify right side
   42,000.55x = 1,341,077,343.32
5. Step 5: Solve for x
   x = 1,341,077,343.32/42,000.55
6. Step 6: Final answer
   x = 31,929.99