Finding the Fourth Proportional to 31,784.52, 43,852.50 and 18,354

Step by Step Solution

1. Step 1: Write the proportion equation
   31,784.52 : 43,852.50 = 18,354 : x
2. Step 2: Convert to fraction form
   31,784.52/43,852.50 = 18,354/x
3. Step 3: Cross multiply
   31,784.52x = 43,852.50 × 18,354
4. Step 4: Simplify right side
   31,784.52x = 804,868,785
5. Step 5: Solve for x
   x = 804,868,785/31,784.52
6. Step 6: Final answer
   x = 25,322.67