Finding the Fourth Proportional to 31,051.53, 42,843.83 and 17,619.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,051.53 : 42,843.83 = 17,619.75 : x
2. Step 2: Convert to fraction form
   31,051.53/42,843.83 = 17,619.75/x
3. Step 3: Cross multiply
   31,051.53x = 42,843.83 × 17,619.75
4. Step 4: Simplify right side
   31,051.53x = 754,897,485.54
5. Step 5: Solve for x
   x = 754,897,485.54/31,051.53
6. Step 6: Final answer
   x = 24,311.12