Finding the Fourth Proportional to 12,496,688, 17,240,500.32 and 7,847,738.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,496,688 : 17,240,500.32 = 7,847,738.72 : x
2. Step 2: Convert to fraction form
   12,496,688/17,240,500.32 = 7,847,738.72/x
3. Step 3: Cross multiply
   12,496,688x = 17,240,500.32 × 7,847,738.72
4. Step 4: Simplify right side
   12,496,688x = 135,298,941,913,436.39
5. Step 5: Solve for x
   x = 135,298,941,913,436.39/12,496,688
6. Step 6: Final answer
   x = 10,826,784.02