Finding the Fourth Proportional to 31,047.52, 42,845.34 and 16,900.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,047.52 : 42,845.34 = 16,900.42 : x
2. Step 2: Convert to fraction form
   31,047.52/42,845.34 = 16,900.42/x
3. Step 3: Cross multiply
   31,047.52x = 42,845.34 × 16,900.42
4. Step 4: Simplify right side
   31,047.52x = 724,104,241.04
5. Step 5: Solve for x
   x = 724,104,241.04/31,047.52
6. Step 6: Final answer
   x = 23,322.45