Finding the Fourth Proportional to 2,275,520.72, 3,140,186.76 and 1,243,016.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275,520.72 : 3,140,186.76 = 1,243,016.24 : x
2. Step 2: Convert to fraction form
   2,275,520.72/3,140,186.76 = 1,243,016.24/x
3. Step 3: Cross multiply
   2,275,520.72x = 3,140,186.76 × 1,243,016.24
4. Step 4: Simplify right side
   2,275,520.72x = 3,903,303,139,312.98
5. Step 5: Solve for x
   x = 3,903,303,139,312.98/2,275,520.72
6. Step 6: Final answer
   x = 1,715,345.02