Finding the Fourth Proportional to 193,355.73, 266,826.89 and 107,309.72

Step by Step Solution

1. Step 1: Write the proportion equation
   193,355.73 : 266,826.89 = 107,309.72 : x
2. Step 2: Convert to fraction form
   193,355.73/266,826.89 = 107,309.72/x
3. Step 3: Cross multiply
   193,355.73x = 266,826.89 × 107,309.72
4. Step 4: Simplify right side
   193,355.73x = 28,633,116,983.69
5. Step 5: Solve for x
   x = 28,633,116,983.69/193,355.73
6. Step 6: Final answer
   x = 148,085.17