Finding the Fourth Proportional to 8,938,081.23, 12,338,732.48 and 5,720,683.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,938,081.23 : 12,338,732.48 = 5,720,683.47 : x
2. Step 2: Convert to fraction form
   8,938,081.23/12,338,732.48 = 5,720,683.47/x
3. Step 3: Cross multiply
   8,938,081.23x = 12,338,732.48 × 5,720,683.47
4. Step 4: Simplify right side
   8,938,081.23x = 70,585,982,910,484.69
5. Step 5: Solve for x
   x = 70,585,982,910,484.69/8,938,081.23
6. Step 6: Final answer
   x = 7,897,218.78