Finding the Fourth Proportional to 140,448.17, 193,820.37 and 76,785.82

Step by Step Solution

1. Step 1: Write the proportion equation
   140,448.17 : 193,820.37 = 76,785.82 : x
2. Step 2: Convert to fraction form
   140,448.17/193,820.37 = 76,785.82/x
3. Step 3: Cross multiply
   140,448.17x = 193,820.37 × 76,785.82
4. Step 4: Simplify right side
   140,448.17x = 14,882,656,043.15
5. Step 5: Solve for x
   x = 14,882,656,043.15/140,448.17
6. Step 6: Final answer
   x = 105,965.47