Finding the Fourth Proportional to 10,432,978.72, 15,649,522.08 and 4,749,228.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,432,978.72 : 15,649,522.08 = 4,749,228.16 : x
2. Step 2: Convert to fraction form
   10,432,978.72/15,649,522.08 = 4,749,228.16/x
3. Step 3: Cross multiply
   10,432,978.72x = 15,649,522.08 × 4,749,228.16
4. Step 4: Simplify right side
   10,432,978.72x = 74,323,150,952,877.78
5. Step 5: Solve for x
   x = 74,323,150,952,877.78/10,432,978.72
6. Step 6: Final answer
   x = 7,123,866.82