Finding the Fourth Proportional to 12,111,608.50, 18,152,452.96 and 10,393,676.26

Step by Step Solution

1. Step 1: Write the proportion equation
   12,111,608.50 : 18,152,452.96 = 10,393,676.26 : x
2. Step 2: Convert to fraction form
   12,111,608.50/18,152,452.96 = 10,393,676.26/x
3. Step 3: Cross multiply
   12,111,608.50x = 18,152,452.96 × 10,393,676.26
4. Step 4: Simplify right side
   12,111,608.50x = 188,670,719,319,753.41
5. Step 5: Solve for x
   x = 188,670,719,319,753.41/12,111,608.50
6. Step 6: Final answer
   x = 15,577,676.52