Finding the Fourth Proportional to 141,360.72, 195,123.33 and 90,510.36

Step by Step Solution

1. Step 1: Write the proportion equation
   141,360.72 : 195,123.33 = 90,510.36 : x
2. Step 2: Convert to fraction form
   141,360.72/195,123.33 = 90,510.36/x
3. Step 3: Cross multiply
   141,360.72x = 195,123.33 × 90,510.36
4. Step 4: Simplify right side
   141,360.72x = 17,660,682,842.70
5. Step 5: Solve for x
   x = 17,660,682,842.70/141,360.72
6. Step 6: Final answer
   x = 124,933.45