Finding the Fourth Proportional to 52,307.48, 72,184.37 and 28,434.15

Step by Step Solution

1. Step 1: Write the proportion equation
   52,307.48 : 72,184.37 = 28,434.15 : x
2. Step 2: Convert to fraction form
   52,307.48/72,184.37 = 28,434.15/x
3. Step 3: Cross multiply
   52,307.48x = 72,184.37 × 28,434.15
4. Step 4: Simplify right side
   52,307.48x = 2,052,501,204.24
5. Step 5: Solve for x
   x = 2,052,501,204.24/52,307.48
6. Step 6: Final answer
   x = 39,239.15