Finding the Fourth Proportional to 1,387,393.92, 1,914,822.72 and 843,700.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,387,393.92 : 1,914,822.72 = 843,700.32 : x
2. Step 2: Convert to fraction form
   1,387,393.92/1,914,822.72 = 843,700.32/x
3. Step 3: Cross multiply
   1,387,393.92x = 1,914,822.72 × 843,700.32
4. Step 4: Simplify right side
   1,387,393.92x = 1,615,536,541,607.27
5. Step 5: Solve for x
   x = 1,615,536,541,607.27/1,387,393.92
6. Step 6: Final answer
   x = 1,164,439.69