Finding the Fourth Proportional to 1,491,583.42, 2,058,231.72 and 838,105.66

Step by Step Solution

1. Step 1: Write the proportion equation
   1,491,583.42 : 2,058,231.72 = 838,105.66 : x
2. Step 2: Convert to fraction form
   1,491,583.42/2,058,231.72 = 838,105.66/x
3. Step 3: Cross multiply
   1,491,583.42x = 2,058,231.72 × 838,105.66
4. Step 4: Simplify right side
   1,491,583.42x = 1,725,015,654,123.54
5. Step 5: Solve for x
   x = 1,725,015,654,123.54/1,491,583.42
6. Step 6: Final answer
   x = 1,156,499.62