Finding the Fourth Proportional to 13,059.06, 19,575.18 and 5,158.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,059.06 : 19,575.18 = 5,158.37 : x
2. Step 2: Convert to fraction form
   13,059.06/19,575.18 = 5,158.37/x
3. Step 3: Cross multiply
   13,059.06x = 19,575.18 × 5,158.37
4. Step 4: Simplify right side
   13,059.06x = 100,976,070.19
5. Step 5: Solve for x
   x = 100,976,070.19/13,059.06
6. Step 6: Final answer
   x = 7,732.26