Finding the Fourth Proportional to 141,360.86, 195,123.45 and 90,510.56

Step by Step Solution

1. Step 1: Write the proportion equation
   141,360.86 : 195,123.45 = 90,510.56 : x
2. Step 2: Convert to fraction form
   141,360.86/195,123.45 = 90,510.56/x
3. Step 3: Cross multiply
   141,360.86x = 195,123.45 × 90,510.56
4. Step 4: Simplify right side
   141,360.86x = 17,660,732,728.63
5. Step 5: Solve for x
   x = 17,660,732,728.63/141,360.86
6. Step 6: Final answer
   x = 124,933.68