Finding the Fourth Proportional to 115,002.18, 158,703.30 and 64,701.18

Step by Step Solution

1. Step 1: Write the proportion equation
   115,002.18 : 158,703.30 = 64,701.18 : x
2. Step 2: Convert to fraction form
   115,002.18/158,703.30 = 64,701.18/x
3. Step 3: Cross multiply
   115,002.18x = 158,703.30 × 64,701.18
4. Step 4: Simplify right side
   115,002.18x = 10,268,290,779.89
5. Step 5: Solve for x
   x = 10,268,290,779.89/115,002.18
6. Step 6: Final answer
   x = 89,287.79