Finding the Fourth Proportional to 1,191,152.88, 1,787,062.84 and 481,679.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191,152.88 : 1,787,062.84 = 481,679.15 : x
2. Step 2: Convert to fraction form
   1,191,152.88/1,787,062.84 = 481,679.15/x
3. Step 3: Cross multiply
   1,191,152.88x = 1,787,062.84 × 481,679.15
4. Step 4: Simplify right side
   1,191,152.88x = 860,790,899,628.27
5. Step 5: Solve for x
   x = 860,790,899,628.27/1,191,152.88
6. Step 6: Final answer
   x = 722,653.59