Finding the Fourth Proportional to 39,116.28, 58,701.16 and 21,598.42

Step by Step Solution

1. Step 1: Write the proportion equation
   39,116.28 : 58,701.16 = 21,598.42 : x
2. Step 2: Convert to fraction form
   39,116.28/58,701.16 = 21,598.42/x
3. Step 3: Cross multiply
   39,116.28x = 58,701.16 × 21,598.42
4. Step 4: Simplify right side
   39,116.28x = 1,267,852,308.17
5. Step 5: Solve for x
   x = 1,267,852,308.17/39,116.28
6. Step 6: Final answer
   x = 32,412.39