Finding the Fourth Proportional to 55,570.08, 76,686.72 and 30,419.52

Step by Step Solution

1. Step 1: Write the proportion equation
   55,570.08 : 76,686.72 = 30,419.52 : x
2. Step 2: Convert to fraction form
   55,570.08/76,686.72 = 30,419.52/x
3. Step 3: Cross multiply
   55,570.08x = 76,686.72 × 30,419.52
4. Step 4: Simplify right side
   55,570.08x = 2,332,773,212.77
5. Step 5: Solve for x
   x = 2,332,773,212.77/55,570.08
6. Step 6: Final answer
   x = 41,978.94