Finding the Fourth Proportional to 8,734,456.72, 12,053,428.32 and 4,867,140.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,734,456.72 : 12,053,428.32 = 4,867,140.88 : x
2. Step 2: Convert to fraction form
   8,734,456.72/12,053,428.32 = 4,867,140.88/x
3. Step 3: Cross multiply
   8,734,456.72x = 12,053,428.32 × 4,867,140.88
4. Step 4: Simplify right side
   8,734,456.72x = 58,665,733,720,421.72
5. Step 5: Solve for x
   x = 58,665,733,720,421.72/8,734,456.72
6. Step 6: Final answer
   x = 6,716,586.46