Finding the Fourth Proportional to 109,648.48, 151,298.52 and 64,309.36

Step by Step Solution

1. Step 1: Write the proportion equation
   109,648.48 : 151,298.52 = 64,309.36 : x
2. Step 2: Convert to fraction form
   109,648.48/151,298.52 = 64,309.36/x
3. Step 3: Cross multiply
   109,648.48x = 151,298.52 × 64,309.36
4. Step 4: Simplify right side
   109,648.48x = 9,729,910,990.15
5. Step 5: Solve for x
   x = 9,729,910,990.15/109,648.48
6. Step 6: Final answer
   x = 88,737.31