Finding the Fourth Proportional to 1,856,839.55, 2,784,340.78 and 658,582.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856,839.55 : 2,784,340.78 = 658,582.25 : x
2. Step 2: Convert to fraction form
   1,856,839.55/2,784,340.78 = 658,582.25/x
3. Step 3: Cross multiply
   1,856,839.55x = 2,784,340.78 × 658,582.25
4. Step 4: Simplify right side
   1,856,839.55x = 1,833,717,400,091.00
5. Step 5: Solve for x
   x = 1,833,717,400,091.00/1,856,839.55
6. Step 6: Final answer
   x = 987,547.58