Finding the Fourth Proportional to 102,596.61, 141,585.72 and 64,357.79

Step by Step Solution

1. Step 1: Write the proportion equation
   102,596.61 : 141,585.72 = 64,357.79 : x
2. Step 2: Convert to fraction form
   102,596.61/141,585.72 = 64,357.79/x
3. Step 3: Cross multiply
   102,596.61x = 141,585.72 × 64,357.79
4. Step 4: Simplify right side
   102,596.61x = 9,112,143,326.83
5. Step 5: Solve for x
   x = 9,112,143,326.83/102,596.61
6. Step 6: Final answer
   x = 88,815.25