Finding the Fourth Proportional to 31,463.02, 43,418.73 and 18,887.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,463.02 : 43,418.73 = 18,887.50 : x
2. Step 2: Convert to fraction form
   31,463.02/43,418.73 = 18,887.50/x
3. Step 3: Cross multiply
   31,463.02x = 43,418.73 × 18,887.50
4. Step 4: Simplify right side
   31,463.02x = 820,071,262.88
5. Step 5: Solve for x
   x = 820,071,262.88/31,463.02
6. Step 6: Final answer
   x = 26,064.61