Finding the Fourth Proportional to 9,051.42, 13,562.54 and 5,158.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,051.42 : 13,562.54 = 5,158.56 : x
2. Step 2: Convert to fraction form
   9,051.42/13,562.54 = 5,158.56/x
3. Step 3: Cross multiply
   9,051.42x = 13,562.54 × 5,158.56
4. Step 4: Simplify right side
   9,051.42x = 69,963,176.34
5. Step 5: Solve for x
   x = 69,963,176.34/9,051.42
6. Step 6: Final answer
   x = 7,729.52