Finding the Fourth Proportional to 8,938,081.98, 12,338,733.51 and 5,720,684.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,938,081.98 : 12,338,733.51 = 5,720,684.22 : x
2. Step 2: Convert to fraction form
   8,938,081.98/12,338,733.51 = 5,720,684.22/x
3. Step 3: Cross multiply
   8,938,081.98x = 12,338,733.51 × 5,720,684.22
4. Step 4: Simplify right side
   8,938,081.98x = 70,585,998,085,442.20
5. Step 5: Solve for x
   x = 70,585,998,085,442.20/8,938,081.98
6. Step 6: Final answer
   x = 7,897,219.81