Finding the Fourth Proportional to 134,123.16, 185,020.56 and 91,104.87

Step by Step Solution

1. Step 1: Write the proportion equation
   134,123.16 : 185,020.56 = 91,104.87 : x
2. Step 2: Convert to fraction form
   134,123.16/185,020.56 = 91,104.87/x
3. Step 3: Cross multiply
   134,123.16x = 185,020.56 × 91,104.87
4. Step 4: Simplify right side
   134,123.16x = 16,856,274,066.13
5. Step 5: Solve for x
   x = 16,856,274,066.13/134,123.16
6. Step 6: Final answer
   x = 125,677.58