Finding the Fourth Proportional to 92,818.89, 128,123.25 and 55,093.14

Step by Step Solution

1. Step 1: Write the proportion equation
   92,818.89 : 128,123.25 = 55,093.14 : x
2. Step 2: Convert to fraction form
   92,818.89/128,123.25 = 55,093.14/x
3. Step 3: Cross multiply
   92,818.89x = 128,123.25 × 55,093.14
4. Step 4: Simplify right side
   92,818.89x = 7,058,712,149.51
5. Step 5: Solve for x
   x = 7,058,712,149.51/92,818.89
6. Step 6: Final answer
   x = 76,048.23