Finding the Fourth Proportional to 109,422.48, 151,040.52 and 64,115.04

Step by Step Solution

1. Step 1: Write the proportion equation
   109,422.48 : 151,040.52 = 64,115.04 : x
2. Step 2: Convert to fraction form
   109,422.48/151,040.52 = 64,115.04/x
3. Step 3: Cross multiply
   109,422.48x = 151,040.52 × 64,115.04
4. Step 4: Simplify right side
   109,422.48x = 9,683,968,981.42
5. Step 5: Solve for x
   x = 9,683,968,981.42/109,422.48
6. Step 6: Final answer
   x = 88,500.73