Finding the Fourth Proportional to 2,677,858.68, 4,016,820.60 and 784,638.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,677,858.68 : 4,016,820.60 = 784,638.48 : x
2. Step 2: Convert to fraction form
   2,677,858.68/4,016,820.60 = 784,638.48/x
3. Step 3: Cross multiply
   2,677,858.68x = 4,016,820.60 × 784,638.48
4. Step 4: Simplify right side
   2,677,858.68x = 3,151,752,010,016.69
5. Step 5: Solve for x
   x = 3,151,752,010,016.69/2,677,858.68
6. Step 6: Final answer
   x = 1,176,967.27