Finding the Fourth Proportional to 59,948.64, 89,978.16 and 30,387.42

Step by Step Solution

1. Step 1: Write the proportion equation
   59,948.64 : 89,978.16 = 30,387.42 : x
2. Step 2: Convert to fraction form
   59,948.64/89,978.16 = 30,387.42/x
3. Step 3: Cross multiply
   59,948.64x = 89,978.16 × 30,387.42
4. Step 4: Simplify right side
   59,948.64x = 2,734,204,138.75
5. Step 5: Solve for x
   x = 2,734,204,138.75/59,948.64
6. Step 6: Final answer
   x = 45,609.11