Finding the Fourth Proportional to 31,096.80, 42,914.73 and 17,670.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,096.80 : 42,914.73 = 17,670.32 : x
2. Step 2: Convert to fraction form
   31,096.80/42,914.73 = 17,670.32/x
3. Step 3: Cross multiply
   31,096.80x = 42,914.73 × 17,670.32
4. Step 4: Simplify right side
   31,096.80x = 758,316,797.24
5. Step 5: Solve for x
   x = 758,316,797.24/31,096.80
6. Step 6: Final answer
   x = 24,385.69