Finding the Fourth Proportional to 13,282,626.47, 18,323,761.82 and 7,772,621.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,282,626.47 : 18,323,761.82 = 7,772,621.27 : x
2. Step 2: Convert to fraction form
   13,282,626.47/18,323,761.82 = 7,772,621.27/x
3. Step 3: Cross multiply
   13,282,626.47x = 18,323,761.82 × 7,772,621.27
4. Step 4: Simplify right side
   13,282,626.47x = 142,423,660,738,064
5. Step 5: Solve for x
   x = 142,423,660,738,064/13,282,626.47
6. Step 6: Final answer
   x = 10,722,552.59