Finding the Fourth Proportional to 10,902,259.10, 16,349,452.05 and 5,509,117.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,902,259.10 : 16,349,452.05 = 5,509,117.10 : x
2. Step 2: Convert to fraction form
   10,902,259.10/16,349,452.05 = 5,509,117.10/x
3. Step 3: Cross multiply
   10,902,259.10x = 16,349,452.05 × 5,509,117.10
4. Step 4: Simplify right side
   10,902,259.10x = 90,071,045,864,285.05
5. Step 5: Solve for x
   x = 90,071,045,864,285.05/10,902,259.10
6. Step 6: Final answer
   x = 8,261,686.41