Finding the Fourth Proportional to 8,902,610.82, 12,281,702.28 and 5,229,870.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,902,610.82 : 12,281,702.28 = 5,229,870.55 : x
2. Step 2: Convert to fraction form
   8,902,610.82/12,281,702.28 = 5,229,870.55/x
3. Step 3: Cross multiply
   8,902,610.82x = 12,281,702.28 × 5,229,870.55
4. Step 4: Simplify right side
   8,902,610.82x = 64,231,713,058,039.85
5. Step 5: Solve for x
   x = 64,231,713,058,039.85/8,902,610.82
6. Step 6: Final answer
   x = 7,214,929.91