Finding the Fourth Proportional to 5,131.23, 7,695.47 and 1,432.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131.23 : 7,695.47 = 1,432.81 : x
2. Step 2: Convert to fraction form
   5,131.23/7,695.47 = 1,432.81/x
3. Step 3: Cross multiply
   5,131.23x = 7,695.47 × 1,432.81
4. Step 4: Simplify right side
   5,131.23x = 11,026,146.37
5. Step 5: Solve for x
   x = 11,026,146.37/5,131.23
6. Step 6: Final answer
   x = 2,148.83