Finding the Fourth Proportional to 127,069.38, 190,666.17 and 89,868.51

Step by Step Solution

1. Step 1: Write the proportion equation
   127,069.38 : 190,666.17 = 89,868.51 : x
2. Step 2: Convert to fraction form
   127,069.38/190,666.17 = 89,868.51/x
3. Step 3: Cross multiply
   127,069.38x = 190,666.17 × 89,868.51
4. Step 4: Simplify right side
   127,069.38x = 17,134,884,605.31
5. Step 5: Solve for x
   x = 17,134,884,605.31/127,069.38
6. Step 6: Final answer
   x = 134,846.68