Finding the Fourth Proportional to 1,635,978.43, 2,451,670.69 and 1,292,913.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,635,978.43 : 2,451,670.69 = 1,292,913.55 : x
2. Step 2: Convert to fraction form
   1,635,978.43/2,451,670.69 = 1,292,913.55/x
3. Step 3: Cross multiply
   1,635,978.43x = 2,451,670.69 × 1,292,913.55
4. Step 4: Simplify right side
   1,635,978.43x = 3,169,798,243,704.72
5. Step 5: Solve for x
   x = 3,169,798,243,704.72/1,635,978.43
6. Step 6: Final answer
   x = 1,937,555.04