Finding the Fourth Proportional to 127,600.02, 191,178.12 and 89,568.57

Step by Step Solution

1. Step 1: Write the proportion equation
   127,600.02 : 191,178.12 = 89,568.57 : x
2. Step 2: Convert to fraction form
   127,600.02/191,178.12 = 89,568.57/x
3. Step 3: Cross multiply
   127,600.02x = 191,178.12 × 89,568.57
4. Step 4: Simplify right side
   127,600.02x = 17,123,550,823.69
5. Step 5: Solve for x
   x = 17,123,550,823.69/127,600.02
6. Step 6: Final answer
   x = 134,197.09