Finding the Fourth Proportional to 31,699.02, 43,746.03 and 19,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,699.02 : 43,746.03 = 19,123.50 : x
2. Step 2: Convert to fraction form
   31,699.02/43,746.03 = 19,123.50/x
3. Step 3: Cross multiply
   31,699.02x = 43,746.03 × 19,123.50
4. Step 4: Simplify right side
   31,699.02x = 836,577,204.71
5. Step 5: Solve for x
   x = 836,577,204.71/31,699.02
6. Step 6: Final answer
   x = 26,391.26