Finding the Fourth Proportional to 31,051.18, 42,850.61 and 16,904.02

Step by Step Solution

1. Step 1: Write the proportion equation
   31,051.18 : 42,850.61 = 16,904.02 : x
2. Step 2: Convert to fraction form
   31,051.18/42,850.61 = 16,904.02/x
3. Step 3: Cross multiply
   31,051.18x = 42,850.61 × 16,904.02
4. Step 4: Simplify right side
   31,051.18x = 724,347,354.20
5. Step 5: Solve for x
   x = 724,347,354.20/31,051.18
6. Step 6: Final answer
   x = 23,327.53