Finding the Fourth Proportional to 10,973.20, 15,142.94 and 5,937.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,973.20 : 15,142.94 = 5,937.42 : x
2. Step 2: Convert to fraction form
   10,973.20/15,142.94 = 5,937.42/x
3. Step 3: Cross multiply
   10,973.20x = 15,142.94 × 5,937.42
4. Step 4: Simplify right side
   10,973.20x = 89,909,994.81
5. Step 5: Solve for x
   x = 89,909,994.81/10,973.20
6. Step 6: Final answer
   x = 8,193.60