Finding the Fourth Proportional to 13,298.32, 19,948.02 and 4,533.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,298.32 : 19,948.02 = 4,533.31 : x
2. Step 2: Convert to fraction form
   13,298.32/19,948.02 = 4,533.31/x
3. Step 3: Cross multiply
   13,298.32x = 19,948.02 × 4,533.31
4. Step 4: Simplify right side
   13,298.32x = 90,430,558.55
5. Step 5: Solve for x
   x = 90,430,558.55/13,298.32
6. Step 6: Final answer
   x = 6,800.15