Finding the Fourth Proportional to 140,326.29, 210,342.42 and 65,384.62

Step by Step Solution

1. Step 1: Write the proportion equation
   140,326.29 : 210,342.42 = 65,384.62 : x
2. Step 2: Convert to fraction form
   140,326.29/210,342.42 = 65,384.62/x
3. Step 3: Cross multiply
   140,326.29x = 210,342.42 × 65,384.62
4. Step 4: Simplify right side
   140,326.29x = 13,753,158,675.72
5. Step 5: Solve for x
   x = 13,753,158,675.72/140,326.29
6. Step 6: Final answer
   x = 98,008.43