Finding the Fourth Proportional to 10,902,113.10, 16,349,233.05 and 5,508,971.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,902,113.10 : 16,349,233.05 = 5,508,971.10 : x
2. Step 2: Convert to fraction form
   10,902,113.10/16,349,233.05 = 5,508,971.10/x
3. Step 3: Cross multiply
   10,902,113.10x = 16,349,233.05 × 5,508,971.10
4. Step 4: Simplify right side
   10,902,113.10x = 90,067,452,379,614.86
5. Step 5: Solve for x
   x = 90,067,452,379,614.86/10,902,113.10
6. Step 6: Final answer
   x = 8,261,467.44