Finding the Fourth Proportional to 103,447, 155,179.50 and 28,567.24

Step by Step Solution

1. Step 1: Write the proportion equation
   103,447 : 155,179.50 = 28,567.24 : x
2. Step 2: Convert to fraction form
   103,447/155,179.50 = 28,567.24/x
3. Step 3: Cross multiply
   103,447x = 155,179.50 × 28,567.24
4. Step 4: Simplify right side
   103,447x = 4,433,050,019.58
5. Step 5: Solve for x
   x = 4,433,050,019.58/103,447
6. Step 6: Final answer
   x = 42,853.35