Finding the Fourth Proportional to 52,167.53, 78,256.93 and 16,620.47

Step by Step Solution

1. Step 1: Write the proportion equation
   52,167.53 : 78,256.93 = 16,620.47 : x
2. Step 2: Convert to fraction form
   52,167.53/78,256.93 = 16,620.47/x
3. Step 3: Cross multiply
   52,167.53x = 78,256.93 × 16,620.47
4. Step 4: Simplify right side
   52,167.53x = 1,300,666,524.52
5. Step 5: Solve for x
   x = 1,300,666,524.52/52,167.53
6. Step 6: Final answer
   x = 24,932.49