Finding the Fourth Proportional to 2,600,934.72, 3,901,532.64 and 828,144.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,600,934.72 : 3,901,532.64 = 828,144.96 : x
2. Step 2: Convert to fraction form
   2,600,934.72/3,901,532.64 = 828,144.96/x
3. Step 3: Cross multiply
   2,600,934.72x = 3,901,532.64 × 828,144.96
4. Step 4: Simplify right side
   2,600,934.72x = 3,231,034,592,091.49
5. Step 5: Solve for x
   x = 3,231,034,592,091.49/2,600,934.72
6. Step 6: Final answer
   x = 1,242,259.01