Finding the Fourth Proportional to 52,505.75, 78,758.69 and 13,062.89

Step by Step Solution

1. Step 1: Write the proportion equation
   52,505.75 : 78,758.69 = 13,062.89 : x
2. Step 2: Convert to fraction form
   52,505.75/78,758.69 = 13,062.89/x
3. Step 3: Cross multiply
   52,505.75x = 78,758.69 × 13,062.89
4. Step 4: Simplify right side
   52,505.75x = 1,028,815,644.91
5. Step 5: Solve for x
   x = 1,028,815,644.91/52,505.75
6. Step 6: Final answer
   x = 19,594.34