Finding the Fourth Proportional to 42,017.55, 57,987.03 and 23,154.68

Step by Step Solution

1. Step 1: Write the proportion equation
   42,017.55 : 57,987.03 = 23,154.68 : x
2. Step 2: Convert to fraction form
   42,017.55/57,987.03 = 23,154.68/x
3. Step 3: Cross multiply
   42,017.55x = 57,987.03 × 23,154.68
4. Step 4: Simplify right side
   42,017.55x = 1,342,671,123.80
5. Step 5: Solve for x
   x = 1,342,671,123.80/42,017.55
6. Step 6: Final answer
   x = 31,955.01