Finding the Fourth Proportional to 88,749.83, 133,123.78 and 70,896.73

Step by Step Solution

1. Step 1: Write the proportion equation
   88,749.83 : 133,123.78 = 70,896.73 : x
2. Step 2: Convert to fraction form
   88,749.83/133,123.78 = 70,896.73/x
3. Step 3: Cross multiply
   88,749.83x = 133,123.78 × 70,896.73
4. Step 4: Simplify right side
   88,749.83x = 9,438,040,637.51
5. Step 5: Solve for x
   x = 9,438,040,637.51/88,749.83
6. Step 6: Final answer
   x = 106,344.33