Finding the Fourth Proportional to 9,071.08, 12,518.28 and 5,533.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,071.08 : 12,518.28 = 5,533.72 : x
2. Step 2: Convert to fraction form
   9,071.08/12,518.28 = 5,533.72/x
3. Step 3: Cross multiply
   9,071.08x = 12,518.28 × 5,533.72
4. Step 4: Simplify right side
   9,071.08x = 69,272,656.40
5. Step 5: Solve for x
   x = 69,272,656.40/9,071.08
6. Step 6: Final answer
   x = 7,636.65