Finding the Fourth Proportional to 10,969,259.36, 16,460,189.35 and 8,566,358.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,969,259.36 : 16,460,189.35 = 8,566,358.72 : x
2. Step 2: Convert to fraction form
   10,969,259.36/16,460,189.35 = 8,566,358.72/x
3. Step 3: Cross multiply
   10,969,259.36x = 16,460,189.35 × 8,566,358.72
4. Step 4: Simplify right side
   10,969,259.36x = 141,003,886,467,506.78
5. Step 5: Solve for x
   x = 141,003,886,467,506.78/10,969,259.36
6. Step 6: Final answer
   x = 12,854,458.26