Finding the Fourth Proportional to 10,927,858.62, 15,066,425.67 and 8,960,488.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,927,858.62 : 15,066,425.67 = 8,960,488.38 : x
2. Step 2: Convert to fraction form
   10,927,858.62/15,066,425.67 = 8,960,488.38/x
3. Step 3: Cross multiply
   10,927,858.62x = 15,066,425.67 × 8,960,488.38
4. Step 4: Simplify right side
   10,927,858.62x = 135,002,532,144,168.72
5. Step 5: Solve for x
   x = 135,002,532,144,168.72/10,927,858.62
6. Step 6: Final answer
   x = 12,353,978.66