Finding the Fourth Proportional to 109,002.42, 150,418.50 and 63,684.60

Step by Step Solution

1. Step 1: Write the proportion equation
   109,002.42 : 150,418.50 = 63,684.60 : x
2. Step 2: Convert to fraction form
   109,002.42/150,418.50 = 63,684.60/x
3. Step 3: Cross multiply
   109,002.42x = 150,418.50 × 63,684.60
4. Step 4: Simplify right side
   109,002.42x = 9,579,342,005.10
5. Step 5: Solve for x
   x = 9,579,342,005.10/109,002.42
6. Step 6: Final answer
   x = 87,881.92