Finding the Fourth Proportional to 114,111.09, 171,116.67 and 54,156.69

Step by Step Solution

1. Step 1: Write the proportion equation
   114,111.09 : 171,116.67 = 54,156.69 : x
2. Step 2: Convert to fraction form
   114,111.09/171,116.67 = 54,156.69/x
3. Step 3: Cross multiply
   114,111.09x = 171,116.67 × 54,156.69
4. Step 4: Simplify right side
   114,111.09x = 9,267,112,451.02
5. Step 5: Solve for x
   x = 9,267,112,451.02/114,111.09
6. Step 6: Final answer
   x = 81,211.32