Finding the Fourth Proportional to 52,210.68, 72,048.89 and 28,336.84

Step by Step Solution

1. Step 1: Write the proportion equation
   52,210.68 : 72,048.89 = 28,336.84 : x
2. Step 2: Convert to fraction form
   52,210.68/72,048.89 = 28,336.84/x
3. Step 3: Cross multiply
   52,210.68x = 72,048.89 × 28,336.84
4. Step 4: Simplify right side
   52,210.68x = 2,041,637,758.83
5. Step 5: Solve for x
   x = 2,041,637,758.83/52,210.68
6. Step 6: Final answer
   x = 39,103.84