Finding the Fourth Proportional to 2,107.32, 3,159.27 and 790.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107.32 : 3,159.27 = 790.34 : x
2. Step 2: Convert to fraction form
   2,107.32/3,159.27 = 790.34/x
3. Step 3: Cross multiply
   2,107.32x = 3,159.27 × 790.34
4. Step 4: Simplify right side
   2,107.32x = 2,496,887.58
5. Step 5: Solve for x
   x = 2,496,887.58/2,107.32
6. Step 6: Final answer
   x = 1,184.86