Finding the Fourth Proportional to 8,806,719.78, 12,148,111.89 and 5,538,350.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,806,719.78 : 12,148,111.89 = 5,538,350.34 : x
2. Step 2: Convert to fraction form
   8,806,719.78/12,148,111.89 = 5,538,350.34/x
3. Step 3: Cross multiply
   8,806,719.78x = 12,148,111.89 × 5,538,350.34
4. Step 4: Simplify right side
   8,806,719.78x = 67,280,499,616,339.55
5. Step 5: Solve for x
   x = 67,280,499,616,339.55/8,806,719.78
6. Step 6: Final answer
   x = 7,639,677.58