Finding the Fourth Proportional to 31,656.64, 43,688.01 and 17,510.80

Step by Step Solution

1. Step 1: Write the proportion equation
   31,656.64 : 43,688.01 = 17,510.80 : x
2. Step 2: Convert to fraction form
   31,656.64/43,688.01 = 17,510.80/x
3. Step 3: Cross multiply
   31,656.64x = 43,688.01 × 17,510.80
4. Step 4: Simplify right side
   31,656.64x = 765,012,005.51
5. Step 5: Solve for x
   x = 765,012,005.51/31,656.64
6. Step 6: Final answer
   x = 24,165.93