Finding the Fourth Proportional to 1,728,387.32, 2,384,818.43 and 993,199.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728,387.32 : 2,384,818.43 = 993,199.59 : x
2. Step 2: Convert to fraction form
   1,728,387.32/2,384,818.43 = 993,199.59/x
3. Step 3: Cross multiply
   1,728,387.32x = 2,384,818.43 × 993,199.59
4. Step 4: Simplify right side
   1,728,387.32x = 2,368,600,681,934.45
5. Step 5: Solve for x
   x = 2,368,600,681,934.45/1,728,387.32
6. Step 6: Final answer
   x = 1,370,410.82