Finding the Fourth Proportional to 2,056,057.20, 2,839,100.76 and 1,292,356.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056,057.20 : 2,839,100.76 = 1,292,356.80 : x
2. Step 2: Convert to fraction form
   2,056,057.20/2,839,100.76 = 1,292,356.80/x
3. Step 3: Cross multiply
   2,056,057.20x = 2,839,100.76 × 1,292,356.80
4. Step 4: Simplify right side
   2,056,057.20x = 3,669,131,173,071.17
5. Step 5: Solve for x
   x = 3,669,131,173,071.17/2,056,057.20
6. Step 6: Final answer
   x = 1,784,547.23