Finding the Fourth Proportional to 1,817,748.82, 2,507,571.50 and 1,387,281.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,817,748.82 : 2,507,571.50 = 1,387,281.61 : x
2. Step 2: Convert to fraction form
   1,817,748.82/2,507,571.50 = 1,387,281.61/x
3. Step 3: Cross multiply
   1,817,748.82x = 2,507,571.50 × 1,387,281.61
4. Step 4: Simplify right side
   1,817,748.82x = 3,478,707,814,504.78
5. Step 5: Solve for x
   x = 3,478,707,814,504.78/1,817,748.82
6. Step 6: Final answer
   x = 1,913,745.06