Finding the Fourth Proportional to 850,123.18, 1,171,174.52 and 591,555.47

Step by Step Solution

1. Step 1: Write the proportion equation
   850,123.18 : 1,171,174.52 = 591,555.47 : x
2. Step 2: Convert to fraction form
   850,123.18/1,171,174.52 = 591,555.47/x
3. Step 3: Cross multiply
   850,123.18x = 1,171,174.52 × 591,555.47
4. Step 4: Simplify right side
   850,123.18x = 692,814,689,253.64
5. Step 5: Solve for x
   x = 692,814,689,253.64/850,123.18
6. Step 6: Final answer
   x = 814,958.00