Finding the Fourth Proportional to 58,800.80, 88,143.60 and 30,735.20

Step by Step Solution

1. Step 1: Write the proportion equation
   58,800.80 : 88,143.60 = 30,735.20 : x
2. Step 2: Convert to fraction form
   58,800.80/88,143.60 = 30,735.20/x
3. Step 3: Cross multiply
   58,800.80x = 88,143.60 × 30,735.20
4. Step 4: Simplify right side
   58,800.80x = 2,709,111,174.72
5. Step 5: Solve for x
   x = 2,709,111,174.72/58,800.80
6. Step 6: Final answer
   x = 46,072.69