Finding the Fourth Proportional to 52,484.80, 72,429.06 and 28,611.49

Step by Step Solution

1. Step 1: Write the proportion equation
   52,484.80 : 72,429.06 = 28,611.49 : x
2. Step 2: Convert to fraction form
   52,484.80/72,429.06 = 28,611.49/x
3. Step 3: Cross multiply
   52,484.80x = 72,429.06 × 28,611.49
4. Step 4: Simplify right side
   52,484.80x = 2,072,303,325.90
5. Step 5: Solve for x
   x = 2,072,303,325.90/52,484.80
6. Step 6: Final answer
   x = 39,483.88