Finding the Fourth Proportional to 140,100.59, 193,280.30 and 91,714.35

Step by Step Solution

1. Step 1: Write the proportion equation
   140,100.59 : 193,280.30 = 91,714.35 : x
2. Step 2: Convert to fraction form
   140,100.59/193,280.30 = 91,714.35/x
3. Step 3: Cross multiply
   140,100.59x = 193,280.30 × 91,714.35
4. Step 4: Simplify right side
   140,100.59x = 17,726,575,657.33
5. Step 5: Solve for x
   x = 17,726,575,657.33/140,100.59
6. Step 6: Final answer
   x = 126,527.49