Finding the Fourth Proportional to 2,097.72, 2,893.59 and 1,312.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.72 : 2,893.59 = 1,312.02 : x
2. Step 2: Convert to fraction form
   2,097.72/2,893.59 = 1,312.02/x
3. Step 3: Cross multiply
   2,097.72x = 2,893.59 × 1,312.02
4. Step 4: Simplify right side
   2,097.72x = 3,796,447.95
5. Step 5: Solve for x
   x = 3,796,447.95/2,097.72
6. Step 6: Final answer
   x = 1,809.80