Finding the Fourth Proportional to 52,840.38, 79,260.72 and 13,397.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,840.38 : 79,260.72 = 13,397.52 : x
2. Step 2: Convert to fraction form
   52,840.38/79,260.72 = 13,397.52/x
3. Step 3: Cross multiply
   52,840.38x = 79,260.72 × 13,397.52
4. Step 4: Simplify right side
   52,840.38x = 1,061,897,081.41
5. Step 5: Solve for x
   x = 1,061,897,081.41/52,840.38
6. Step 6: Final answer
   x = 20,096.32