Finding the Fourth Proportional to 52,563.72, 78,855.94 and 19,284.06

Step by Step Solution

1. Step 1: Write the proportion equation
   52,563.72 : 78,855.94 = 19,284.06 : x
2. Step 2: Convert to fraction form
   52,563.72/78,855.94 = 19,284.06/x
3. Step 3: Cross multiply
   52,563.72x = 78,855.94 × 19,284.06
4. Step 4: Simplify right side
   52,563.72x = 1,520,662,678.32
5. Step 5: Solve for x
   x = 1,520,662,678.32/52,563.72
6. Step 6: Final answer
   x = 28,929.89