Finding the Fourth Proportional to 9,977.56, 14,970.89 and 3,738.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,977.56 : 14,970.89 = 3,738.05 : x
2. Step 2: Convert to fraction form
   9,977.56/14,970.89 = 3,738.05/x
3. Step 3: Cross multiply
   9,977.56x = 14,970.89 × 3,738.05
4. Step 4: Simplify right side
   9,977.56x = 55,961,935.36
5. Step 5: Solve for x
   x = 55,961,935.36/9,977.56
6. Step 6: Final answer
   x = 5,608.78