Finding the Fourth Proportional to 2,499,738.12, 3,749,801.56 and 817,011.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,738.12 : 3,749,801.56 = 817,011.72 : x
2. Step 2: Convert to fraction form
   2,499,738.12/3,749,801.56 = 817,011.72/x
3. Step 3: Cross multiply
   2,499,738.12x = 3,749,801.56 × 817,011.72
4. Step 4: Simplify right side
   2,499,738.12x = 3,063,631,822,194.28
5. Step 5: Solve for x
   x = 3,063,631,822,194.28/2,499,738.12
6. Step 6: Final answer
   x = 1,225,581.11