Finding the Fourth Proportional to 9,978.49, 14,959.61 and 3,735.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,978.49 : 14,959.61 = 3,735.00 : x
2. Step 2: Convert to fraction form
   9,978.49/14,959.61 = 3,735.00/x
3. Step 3: Cross multiply
   9,978.49x = 14,959.61 × 3,735.00
4. Step 4: Simplify right side
   9,978.49x = 55,874,129.32
5. Step 5: Solve for x
   x = 55,874,129.32/9,978.49
6. Step 6: Final answer
   x = 5,599.46