Finding the Fourth Proportional to 3,109,426.08, 4,292,081.76 and 1,820,680.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,109,426.08 : 4,292,081.76 = 1,820,680.80 : x
2. Step 2: Convert to fraction form
   3,109,426.08/4,292,081.76 = 1,820,680.80/x
3. Step 3: Cross multiply
   3,109,426.08x = 4,292,081.76 × 1,820,680.80
4. Step 4: Simplify right side
   3,109,426.08x = 7,814,510,852,462.21
5. Step 5: Solve for x
   x = 7,814,510,852,462.21/3,109,426.08
6. Step 6: Final answer
   x = 2,513,168.23