Finding the Fourth Proportional to 35,775.76, 53,667.31 and 9,480.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,775.76 : 53,667.31 = 9,480.50 : x
2. Step 2: Convert to fraction form
   35,775.76/53,667.31 = 9,480.50/x
3. Step 3: Cross multiply
   35,775.76x = 53,667.31 × 9,480.50
4. Step 4: Simplify right side
   35,775.76x = 508,792,616.72
5. Step 5: Solve for x
   x = 508,792,616.72/35,775.76
6. Step 6: Final answer
   x = 14,221.72