Finding the Fourth Proportional to 52,269.06, 72,131.61 and 28,395.93

Step by Step Solution

1. Step 1: Write the proportion equation
   52,269.06 : 72,131.61 = 28,395.93 : x
2. Step 2: Convert to fraction form
   52,269.06/72,131.61 = 28,395.93/x
3. Step 3: Cross multiply
   52,269.06x = 72,131.61 × 28,395.93
4. Step 4: Simplify right side
   52,269.06x = 2,048,244,148.35
5. Step 5: Solve for x
   x = 2,048,244,148.35/52,269.06
6. Step 6: Final answer
   x = 39,186.55