Finding the Fourth Proportional to 440,020.16, 660,307.89 and 187,300.24

Step by Step Solution

1. Step 1: Write the proportion equation
   440,020.16 : 660,307.89 = 187,300.24 : x
2. Step 2: Convert to fraction form
   440,020.16/660,307.89 = 187,300.24/x
3. Step 3: Cross multiply
   440,020.16x = 660,307.89 × 187,300.24
4. Step 4: Simplify right side
   440,020.16x = 123,675,826,270.89
5. Step 5: Solve for x
   x = 123,675,826,270.89/440,020.16
6. Step 6: Final answer
   x = 281,068.55