Finding the Fourth Proportional to 1,157,375.40, 1,597,141.89 and 641,108.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,157,375.40 : 1,597,141.89 = 641,108.58 : x
2. Step 2: Convert to fraction form
   1,157,375.40/1,597,141.89 = 641,108.58/x
3. Step 3: Cross multiply
   1,157,375.40x = 1,597,141.89 × 641,108.58
4. Step 4: Simplify right side
   1,157,375.40x = 1,023,941,369,156.42
5. Step 5: Solve for x
   x = 1,023,941,369,156.42/1,157,375.40
6. Step 6: Final answer
   x = 884,709.81