Finding the Fourth Proportional to 140,024.04, 193,176.72 and 81,048.72

Step by Step Solution

1. Step 1: Write the proportion equation
   140,024.04 : 193,176.72 = 81,048.72 : x
2. Step 2: Convert to fraction form
   140,024.04/193,176.72 = 81,048.72/x
3. Step 3: Cross multiply
   140,024.04x = 193,176.72 × 81,048.72
4. Step 4: Simplify right side
   140,024.04x = 15,656,725,889.80
5. Step 5: Solve for x
   x = 15,656,725,889.80/140,024.04
6. Step 6: Final answer
   x = 111,814.56