Finding the Fourth Proportional to 32,881.50, 45,382.14 and 31,788

Step by Step Solution

1. Step 1: Write the proportion equation
   32,881.50 : 45,382.14 = 31,788 : x
2. Step 2: Convert to fraction form
   32,881.50/45,382.14 = 31,788/x
3. Step 3: Cross multiply
   32,881.50x = 45,382.14 × 31,788
4. Step 4: Simplify right side
   32,881.50x = 1,442,607,466.32
5. Step 5: Solve for x
   x = 1,442,607,466.32/32,881.50
6. Step 6: Final answer
   x = 43,872.92