Finding the Fourth Proportional to 140,592.57, 194,009.61 and 76,931.61

Step by Step Solution

1. Step 1: Write the proportion equation
   140,592.57 : 194,009.61 = 76,931.61 : x
2. Step 2: Convert to fraction form
   140,592.57/194,009.61 = 76,931.61/x
3. Step 3: Cross multiply
   140,592.57x = 194,009.61 × 76,931.61
4. Step 4: Simplify right side
   140,592.57x = 14,925,471,652.77
5. Step 5: Solve for x
   x = 14,925,471,652.77/140,592.57
6. Step 6: Final answer
   x = 106,161.17