Finding the Fourth Proportional to 1,780,147.72, 2,670,385.76 and 582,076.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780,147.72 : 2,670,385.76 = 582,076.20 : x
2. Step 2: Convert to fraction form
   1,780,147.72/2,670,385.76 = 582,076.20/x
3. Step 3: Cross multiply
   1,780,147.72x = 2,670,385.76 × 582,076.20
4. Step 4: Simplify right side
   1,780,147.72x = 1,554,367,995,714.91
5. Step 5: Solve for x
   x = 1,554,367,995,714.91/1,780,147.72
6. Step 6: Final answer
   x = 873,167.98