Finding the Fourth Proportional to 1,914,606.72, 2,642,038.56 and 1,055,118.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914,606.72 : 2,642,038.56 = 1,055,118.96 : x
2. Step 2: Convert to fraction form
   1,914,606.72/2,642,038.56 = 1,055,118.96/x
3. Step 3: Cross multiply
   1,914,606.72x = 2,642,038.56 × 1,055,118.96
4. Step 4: Simplify right side
   1,914,606.72x = 2,787,664,977,707.10
5. Step 5: Solve for x
   x = 2,787,664,977,707.10/1,914,606.72
6. Step 6: Final answer
   x = 1,455,998.74