Finding the Fourth Proportional to 1,555,066.86, 2,145,982.71 and 876,222.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555,066.86 : 2,145,982.71 = 876,222.06 : x
2. Step 2: Convert to fraction form
   1,555,066.86/2,145,982.71 = 876,222.06/x
3. Step 3: Cross multiply
   1,555,066.86x = 2,145,982.71 × 876,222.06
4. Step 4: Simplify right side
   1,555,066.86x = 1,880,357,390,880.58
5. Step 5: Solve for x
   x = 1,880,357,390,880.58/1,555,066.86
6. Step 6: Final answer
   x = 1,209,181.06