Finding the Fourth Proportional to 52,618.03, 72,611.69 and 28,744.81

Step by Step Solution

1. Step 1: Write the proportion equation
   52,618.03 : 72,611.69 = 28,744.81 : x
2. Step 2: Convert to fraction form
   52,618.03/72,611.69 = 28,744.81/x
3. Step 3: Cross multiply
   52,618.03x = 72,611.69 × 28,744.81
4. Step 4: Simplify right side
   52,618.03x = 2,087,208,907.58
5. Step 5: Solve for x
   x = 2,087,208,907.58/52,618.03
6. Step 6: Final answer
   x = 39,667.18