Finding the Fourth Proportional to 1,111,880.98, 1,667,956.43 and 313,162.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,880.98 : 1,667,956.43 = 313,162.52 : x
2. Step 2: Convert to fraction form
   1,111,880.98/1,667,956.43 = 313,162.52/x
3. Step 3: Cross multiply
   1,111,880.98x = 1,667,956.43 × 313,162.52
4. Step 4: Simplify right side
   1,111,880.98x = 522,341,448,171.47
5. Step 5: Solve for x
   x = 522,341,448,171.47/1,111,880.98
6. Step 6: Final answer
   x = 469,781.80