Finding the Fourth Proportional to 12,531.31, 18,796.46 and 5,133.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,531.31 : 18,796.46 = 5,133.98 : x
2. Step 2: Convert to fraction form
   12,531.31/18,796.46 = 5,133.98/x
3. Step 3: Cross multiply
   12,531.31x = 18,796.46 × 5,133.98
4. Step 4: Simplify right side
   12,531.31x = 96,500,671.03
5. Step 5: Solve for x
   x = 96,500,671.03/12,531.31
6. Step 6: Final answer
   x = 7,700.77