Finding the Fourth Proportional to 2,719,510.60, 4,080,821.10 and 1,878,665.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,719,510.60 : 4,080,821.10 = 1,878,665.80 : x
2. Step 2: Convert to fraction form
   2,719,510.60/4,080,821.10 = 1,878,665.80/x
3. Step 3: Cross multiply
   2,719,510.60x = 4,080,821.10 × 1,878,665.80
4. Step 4: Simplify right side
   2,719,510.60x = 7,666,499,036,488.38
5. Step 5: Solve for x
   x = 7,666,499,036,488.38/2,719,510.60
6. Step 6: Final answer
   x = 2,819,073.05