Finding the Fourth Proportional to 2,606,942.51, 3,911,492.89 and 1,407,454.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606,942.51 : 3,911,492.89 = 1,407,454.10 : x
2. Step 2: Convert to fraction form
   2,606,942.51/3,911,492.89 = 1,407,454.10/x
3. Step 3: Cross multiply
   2,606,942.51x = 3,911,492.89 × 1,407,454.10
4. Step 4: Simplify right side
   2,606,942.51x = 5,505,246,685,593.89
5. Step 5: Solve for x
   x = 5,505,246,685,593.89/2,606,942.51
6. Step 6: Final answer
   x = 2,111,763.75