Finding the Fourth Proportional to 13,200.95, 19,801.72 and 4,435.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,200.95 : 19,801.72 = 4,435.94 : x
2. Step 2: Convert to fraction form
   13,200.95/19,801.72 = 4,435.94/x
3. Step 3: Cross multiply
   13,200.95x = 19,801.72 × 4,435.94
4. Step 4: Simplify right side
   13,200.95x = 87,839,148.35
5. Step 5: Solve for x
   x = 87,839,148.35/13,200.95
6. Step 6: Final answer
   x = 6,654.00