Finding the Fourth Proportional to 123,548.15, 185,473.71 and 81,463.43

Step by Step Solution

1. Step 1: Write the proportion equation
   123,548.15 : 185,473.71 = 81,463.43 : x
2. Step 2: Convert to fraction form
   123,548.15/185,473.71 = 81,463.43/x
3. Step 3: Cross multiply
   123,548.15x = 185,473.71 × 81,463.43
4. Step 4: Simplify right side
   123,548.15x = 15,109,323,664.06
5. Step 5: Solve for x
   x = 15,109,323,664.06/123,548.15
6. Step 6: Final answer
   x = 122,295.03