Finding the Fourth Proportional to 52,678.72, 79,024.56 and 19,393.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,678.72 : 79,024.56 = 19,393.12 : x
2. Step 2: Convert to fraction form
   52,678.72/79,024.56 = 19,393.12/x
3. Step 3: Cross multiply
   52,678.72x = 79,024.56 × 19,393.12
4. Step 4: Simplify right side
   52,678.72x = 1,532,532,775.03
5. Step 5: Solve for x
   x = 1,532,532,775.03/52,678.72
6. Step 6: Final answer
   x = 29,092.07