Finding the Fourth Proportional to 58,987.27, 88,418.60 and 42,338.28

Step by Step Solution

1. Step 1: Write the proportion equation
   58,987.27 : 88,418.60 = 42,338.28 : x
2. Step 2: Convert to fraction form
   58,987.27/88,418.60 = 42,338.28/x
3. Step 3: Cross multiply
   58,987.27x = 88,418.60 × 42,338.28
4. Step 4: Simplify right side
   58,987.27x = 3,743,491,444.01
5. Step 5: Solve for x
   x = 3,743,491,444.01/58,987.27
6. Step 6: Final answer
   x = 63,462.70