Finding the Fourth Proportional to 140,493.84, 210,740.52 and 65,588.88

Step by Step Solution

1. Step 1: Write the proportion equation
   140,493.84 : 210,740.52 = 65,588.88 : x
2. Step 2: Convert to fraction form
   140,493.84/210,740.52 = 65,588.88/x
3. Step 3: Cross multiply
   140,493.84x = 210,740.52 × 65,588.88
4. Step 4: Simplify right side
   140,493.84x = 13,822,234,677.42
5. Step 5: Solve for x
   x = 13,822,234,677.42/140,493.84
6. Step 6: Final answer
   x = 98,383.21