Finding the Fourth Proportional to 31,034.76, 42,827.88 and 16,887.60

Step by Step Solution

1. Step 1: Write the proportion equation
   31,034.76 : 42,827.88 = 16,887.60 : x
2. Step 2: Convert to fraction form
   31,034.76/42,827.88 = 16,887.60/x
3. Step 3: Cross multiply
   31,034.76x = 42,827.88 × 16,887.60
4. Step 4: Simplify right side
   31,034.76x = 723,260,106.29
5. Step 5: Solve for x
   x = 723,260,106.29/31,034.76
6. Step 6: Final answer
   x = 23,304.84