Finding the Fourth Proportional to 140,234.83, 193,523.29 and 76,572.18

Step by Step Solution

1. Step 1: Write the proportion equation
   140,234.83 : 193,523.29 = 76,572.18 : x
2. Step 2: Convert to fraction form
   140,234.83/193,523.29 = 76,572.18/x
3. Step 3: Cross multiply
   140,234.83x = 193,523.29 × 76,572.18
4. Step 4: Simplify right side
   140,234.83x = 14,818,500,196.07
5. Step 5: Solve for x
   x = 14,818,500,196.07/140,234.83
6. Step 6: Final answer
   x = 105,669.19