Finding the Fourth Proportional to 31,300.21, 43,194.63 and 17,152.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,300.21 : 43,194.63 = 17,152.75 : x
2. Step 2: Convert to fraction form
   31,300.21/43,194.63 = 17,152.75/x
3. Step 3: Cross multiply
   31,300.21x = 43,194.63 × 17,152.75
4. Step 4: Simplify right side
   31,300.21x = 740,906,689.73
5. Step 5: Solve for x
   x = 740,906,689.73/31,300.21
6. Step 6: Final answer
   x = 23,670.98