Finding the Fourth Proportional to 55,625.76, 76,763.16 and 30,474.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,625.76 : 76,763.16 = 30,474.72 : x
2. Step 2: Convert to fraction form
   55,625.76/76,763.16 = 30,474.72/x
3. Step 3: Cross multiply
   55,625.76x = 76,763.16 × 30,474.72
4. Step 4: Simplify right side
   55,625.76x = 2,339,335,807.32
5. Step 5: Solve for x
   x = 2,339,335,807.32/55,625.76
6. Step 6: Final answer
   x = 42,054.90