Finding the Fourth Proportional to 862,404.60, 1,181,498.55 and 830,081.97

Step by Step Solution

1. Step 1: Write the proportion equation
   862,404.60 : 1,181,498.55 = 830,081.97 : x
2. Step 2: Convert to fraction form
   862,404.60/1,181,498.55 = 830,081.97/x
3. Step 3: Cross multiply
   862,404.60x = 1,181,498.55 × 830,081.97
4. Step 4: Simplify right side
   862,404.60x = 980,740,643,936.14
5. Step 5: Solve for x
   x = 980,740,643,936.14/862,404.60
6. Step 6: Final answer
   x = 1,137,216.39