Finding the Fourth Proportional to 1,656.72, 2,288.52 and 1,131.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,656.72 : 2,288.52 = 1,131.84 : x
2. Step 2: Convert to fraction form
   1,656.72/2,288.52 = 1,131.84/x
3. Step 3: Cross multiply
   1,656.72x = 2,288.52 × 1,131.84
4. Step 4: Simplify right side
   1,656.72x = 2,590,238.48
5. Step 5: Solve for x
   x = 2,590,238.48/1,656.72
6. Step 6: Final answer
   x = 1,563.47