Finding the Fourth Proportional to 31,096.72, 42,914.64 and 17,670.26

Step by Step Solution

1. Step 1: Write the proportion equation
   31,096.72 : 42,914.64 = 17,670.26 : x
2. Step 2: Convert to fraction form
   31,096.72/42,914.64 = 17,670.26/x
3. Step 3: Cross multiply
   31,096.72x = 42,914.64 × 17,670.26
4. Step 4: Simplify right side
   31,096.72x = 758,312,846.61
5. Step 5: Solve for x
   x = 758,312,846.61/31,096.72
6. Step 6: Final answer
   x = 24,385.62