Finding the Fourth Proportional to 103,548.27, 155,304.81 and 28,650.88

Step by Step Solution

1. Step 1: Write the proportion equation
   103,548.27 : 155,304.81 = 28,650.88 : x
2. Step 2: Convert to fraction form
   103,548.27/155,304.81 = 28,650.88/x
3. Step 3: Cross multiply
   103,548.27x = 155,304.81 × 28,650.88
4. Step 4: Simplify right side
   103,548.27x = 4,449,619,668.86
5. Step 5: Solve for x
   x = 4,449,619,668.86/103,548.27
6. Step 6: Final answer
   x = 42,971.45