Finding the Fourth Proportional to 9,978.18, 14,967.72 and 3,736.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,978.18 : 14,967.72 = 3,736.58 : x
2. Step 2: Convert to fraction form
   9,978.18/14,967.72 = 3,736.58/x
3. Step 3: Cross multiply
   9,978.18x = 14,967.72 × 3,736.58
4. Step 4: Simplify right side
   9,978.18x = 55,928,083.20
5. Step 5: Solve for x
   x = 55,928,083.20/9,978.18
6. Step 6: Final answer
   x = 5,605.04