Finding the Fourth Proportional to 9,081.84, 12,533.28 and 5,102.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,081.84 : 12,533.28 = 5,102.72 : x
2. Step 2: Convert to fraction form
   9,081.84/12,533.28 = 5,102.72/x
3. Step 3: Cross multiply
   9,081.84x = 12,533.28 × 5,102.72
4. Step 4: Simplify right side
   9,081.84x = 63,953,818.52
5. Step 5: Solve for x
   x = 63,953,818.52/9,081.84
6. Step 6: Final answer
   x = 7,041.95