Finding the Fourth Proportional to 193,464.72, 290,189.52 and 53,219.52

Step by Step Solution

1. Step 1: Write the proportion equation
   193,464.72 : 290,189.52 = 53,219.52 : x
2. Step 2: Convert to fraction form
   193,464.72/290,189.52 = 53,219.52/x
3. Step 3: Cross multiply
   193,464.72x = 290,189.52 × 53,219.52
4. Step 4: Simplify right side
   193,464.72x = 15,443,746,963.43
5. Step 5: Solve for x
   x = 15,443,746,963.43/193,464.72
6. Step 6: Final answer
   x = 79,827.20