Finding the Fourth Proportional to 19,032.56, 28,539.82 and 5,700.42

Step by Step Solution

1. Step 1: Write the proportion equation
   19,032.56 : 28,539.82 = 5,700.42 : x
2. Step 2: Convert to fraction form
   19,032.56/28,539.82 = 5,700.42/x
3. Step 3: Cross multiply
   19,032.56x = 28,539.82 × 5,700.42
4. Step 4: Simplify right side
   19,032.56x = 162,688,967.85
5. Step 5: Solve for x
   x = 162,688,967.85/19,032.56
6. Step 6: Final answer
   x = 8,547.93