Finding the Fourth Proportional to 9,342.42, 12,892.32 and 5,150.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,342.42 : 12,892.32 = 5,150.58 : x
2. Step 2: Convert to fraction form
   9,342.42/12,892.32 = 5,150.58/x
3. Step 3: Cross multiply
   9,342.42x = 12,892.32 × 5,150.58
4. Step 4: Simplify right side
   9,342.42x = 66,402,925.55
5. Step 5: Solve for x
   x = 66,402,925.55/9,342.42
6. Step 6: Final answer
   x = 7,107.68