Finding the Fourth Proportional to 55,451.51, 76,522.98 and 31,578.18

Step by Step Solution

1. Step 1: Write the proportion equation
   55,451.51 : 76,522.98 = 31,578.18 : x
2. Step 2: Convert to fraction form
   55,451.51/76,522.98 = 31,578.18/x
3. Step 3: Cross multiply
   55,451.51x = 76,522.98 × 31,578.18
4. Step 4: Simplify right side
   55,451.51x = 2,416,456,436.58
5. Step 5: Solve for x
   x = 2,416,456,436.58/55,451.51
6. Step 6: Final answer
   x = 43,577.83