Finding the Fourth Proportional to 1,597,835.43, 2,204,978.78 and 872,686.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,597,835.43 : 2,204,978.78 = 872,686.07 : x
2. Step 2: Convert to fraction form
   1,597,835.43/2,204,978.78 = 872,686.07/x
3. Step 3: Cross multiply
   1,597,835.43x = 2,204,978.78 × 872,686.07
4. Step 4: Simplify right side
   1,597,835.43x = 1,924,254,257,108.42
5. Step 5: Solve for x
   x = 1,924,254,257,108.42/1,597,835.43
6. Step 6: Final answer
   x = 1,204,288.14