Finding the Fourth Proportional to 31,094.63, 42,910.58 and 16,947.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,094.63 : 42,910.58 = 16,947.50 : x
2. Step 2: Convert to fraction form
   31,094.63/42,910.58 = 16,947.50/x
3. Step 3: Cross multiply
   31,094.63x = 42,910.58 × 16,947.50
4. Step 4: Simplify right side
   31,094.63x = 727,227,204.20
5. Step 5: Solve for x
   x = 727,227,204.20/31,094.63
6. Step 6: Final answer
   x = 23,387.55