Finding the Fourth Proportional to 9,192,081.96, 12,684,488.52 and 5,521,153.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,192,081.96 : 12,684,488.52 = 5,521,153.26 : x
2. Step 2: Convert to fraction form
   9,192,081.96/12,684,488.52 = 5,521,153.26/x
3. Step 3: Cross multiply
   9,192,081.96x = 12,684,488.52 × 5,521,153.26
4. Step 4: Simplify right side
   9,192,081.96x = 70,033,005,143,630.57
5. Step 5: Solve for x
   x = 70,033,005,143,630.57/9,192,081.96
6. Step 6: Final answer
   x = 7,618,840.37