Finding the Fourth Proportional to 52,785.89, 79,181.55 and 13,343.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,785.89 : 79,181.55 = 13,343.34 : x
2. Step 2: Convert to fraction form
   52,785.89/79,181.55 = 13,343.34/x
3. Step 3: Cross multiply
   52,785.89x = 79,181.55 × 13,343.34
4. Step 4: Simplify right side
   52,785.89x = 1,056,546,343.38
5. Step 5: Solve for x
   x = 1,056,546,343.38/52,785.89
6. Step 6: Final answer
   x = 20,015.70