Finding the Fourth Proportional to 55,480.86, 76,564.71 and 30,331.98

Step by Step Solution

1. Step 1: Write the proportion equation
   55,480.86 : 76,564.71 = 30,331.98 : x
2. Step 2: Convert to fraction form
   55,480.86/76,564.71 = 30,331.98/x
3. Step 3: Cross multiply
   55,480.86x = 76,564.71 × 30,331.98
4. Step 4: Simplify right side
   55,480.86x = 2,322,359,252.43
5. Step 5: Solve for x
   x = 2,322,359,252.43/55,480.86
6. Step 6: Final answer
   x = 41,858.75