Finding the Fourth Proportional to 140,116.33, 193,304.98 and 86,308.03

Step by Step Solution

1. Step 1: Write the proportion equation
   140,116.33 : 193,304.98 = 86,308.03 : x
2. Step 2: Convert to fraction form
   140,116.33/193,304.98 = 86,308.03/x
3. Step 3: Cross multiply
   140,116.33x = 193,304.98 × 86,308.03
4. Step 4: Simplify right side
   140,116.33x = 16,683,772,012.99
5. Step 5: Solve for x
   x = 16,683,772,012.99/140,116.33
6. Step 6: Final answer
   x = 119,070.86