Finding the Fourth Proportional to 11,299,608, 16,956,876.96 and 5,316,442.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,299,608 : 16,956,876.96 = 5,316,442.56 : x
2. Step 2: Convert to fraction form
   11,299,608/16,956,876.96 = 5,316,442.56/x
3. Step 3: Cross multiply
   11,299,608x = 16,956,876.96 × 5,316,442.56
4. Step 4: Simplify right side
   11,299,608x = 90,150,262,354,827.42
5. Step 5: Solve for x
   x = 90,150,262,354,827.42/11,299,608
6. Step 6: Final answer
   x = 7,978,176.09