Finding the Fourth Proportional to 153,080.30, 229,653.18 and 64,288.10

Step by Step Solution

1. Step 1: Write the proportion equation
   153,080.30 : 229,653.18 = 64,288.10 : x
2. Step 2: Convert to fraction form
   153,080.30/229,653.18 = 64,288.10/x
3. Step 3: Cross multiply
   153,080.30x = 229,653.18 × 64,288.10
4. Step 4: Simplify right side
   153,080.30x = 14,763,965,452.89
5. Step 5: Solve for x
   x = 14,763,965,452.89/153,080.30
6. Step 6: Final answer
   x = 96,445.89