Finding the Fourth Proportional to 115,429.53, 159,300.80 and 64,452.29

Step by Step Solution

1. Step 1: Write the proportion equation
   115,429.53 : 159,300.80 = 64,452.29 : x
2. Step 2: Convert to fraction form
   115,429.53/159,300.80 = 64,452.29/x
3. Step 3: Cross multiply
   115,429.53x = 159,300.80 × 64,452.29
4. Step 4: Simplify right side
   115,429.53x = 10,267,301,358.83
5. Step 5: Solve for x
   x = 10,267,301,358.83/115,429.53
6. Step 6: Final answer
   x = 88,948.65