Finding the Fourth Proportional to 13,155.76, 19,722.12 and 4,953.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,155.76 : 19,722.12 = 4,953.52 : x
2. Step 2: Convert to fraction form
   13,155.76/19,722.12 = 4,953.52/x
3. Step 3: Cross multiply
   13,155.76x = 19,722.12 × 4,953.52
4. Step 4: Simplify right side
   13,155.76x = 97,693,915.86
5. Step 5: Solve for x
   x = 97,693,915.86/13,155.76
6. Step 6: Final answer
   x = 7,425.94