Finding the Fourth Proportional to 1,708,259.69, 2,564,162.52 and 990,004.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,708,259.69 : 2,564,162.52 = 990,004.72 : x
2. Step 2: Convert to fraction form
   1,708,259.69/2,564,162.52 = 990,004.72/x
3. Step 3: Cross multiply
   1,708,259.69x = 2,564,162.52 × 990,004.72
4. Step 4: Simplify right side
   1,708,259.69x = 2,538,532,992,697.07
5. Step 5: Solve for x
   x = 2,538,532,992,697.07/1,708,259.69
6. Step 6: Final answer
   x = 1,486,034.60