Finding the Fourth Proportional to 89,127.57, 123,017.64 and 57,292.14

Step by Step Solution

1. Step 1: Write the proportion equation
   89,127.57 : 123,017.64 = 57,292.14 : x
2. Step 2: Convert to fraction form
   89,127.57/123,017.64 = 57,292.14/x
3. Step 3: Cross multiply
   89,127.57x = 123,017.64 × 57,292.14
4. Step 4: Simplify right side
   89,127.57x = 7,047,943,853.35
5. Step 5: Solve for x
   x = 7,047,943,853.35/89,127.57
6. Step 6: Final answer
   x = 79,077.03