Finding the Fourth Proportional to 52,242.81, 72,094.71 and 28,369.47

Step by Step Solution

1. Step 1: Write the proportion equation
   52,242.81 : 72,094.71 = 28,369.47 : x
2. Step 2: Convert to fraction form
   52,242.81/72,094.71 = 28,369.47/x
3. Step 3: Cross multiply
   52,242.81x = 72,094.71 × 28,369.47
4. Step 4: Simplify right side
   52,242.81x = 2,045,288,712.50
5. Step 5: Solve for x
   x = 2,045,288,712.50/52,242.81
6. Step 6: Final answer
   x = 39,149.67