Finding the Fourth Proportional to 31,066.02, 42,869.64 and 17,635.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,066.02 : 42,869.64 = 17,635.50 : x
2. Step 2: Convert to fraction form
   31,066.02/42,869.64 = 17,635.50/x
3. Step 3: Cross multiply
   31,066.02x = 42,869.64 × 17,635.50
4. Step 4: Simplify right side
   31,066.02x = 756,027,536.22
5. Step 5: Solve for x
   x = 756,027,536.22/31,066.02
6. Step 6: Final answer
   x = 24,336.16