Finding the Fourth Proportional to 140,116.08, 210,168.16 and 65,210.41

Step by Step Solution

1. Step 1: Write the proportion equation
   140,116.08 : 210,168.16 = 65,210.41 : x
2. Step 2: Convert to fraction form
   140,116.08/210,168.16 = 65,210.41/x
3. Step 3: Cross multiply
   140,116.08x = 210,168.16 × 65,210.41
4. Step 4: Simplify right side
   140,116.08x = 13,705,151,882.55
5. Step 5: Solve for x
   x = 13,705,151,882.55/140,116.08
6. Step 6: Final answer
   x = 97,812.84