Finding the Fourth Proportional to 2,587,128.98, 3,570,426.69 and 1,499,681.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587,128.98 : 3,570,426.69 = 1,499,681.30 : x
2. Step 2: Convert to fraction form
   2,587,128.98/3,570,426.69 = 1,499,681.30/x
3. Step 3: Cross multiply
   2,587,128.98x = 3,570,426.69 × 1,499,681.30
4. Step 4: Simplify right side
   2,587,128.98x = 5,354,502,140,013.90
5. Step 5: Solve for x
   x = 5,354,502,140,013.90/2,587,128.98
6. Step 6: Final answer
   x = 2,069,669.58