Finding the Fourth Proportional to 109,781.14, 164,892.15 and 65,494.42

Step by Step Solution

1. Step 1: Write the proportion equation
   109,781.14 : 164,892.15 = 65,494.42 : x
2. Step 2: Convert to fraction form
   109,781.14/164,892.15 = 65,494.42/x
3. Step 3: Cross multiply
   109,781.14x = 164,892.15 × 65,494.42
4. Step 4: Simplify right side
   109,781.14x = 10,799,515,726.80
5. Step 5: Solve for x
   x = 10,799,515,726.80/109,781.14
6. Step 6: Final answer
   x = 98,373.14