Finding the Fourth Proportional to 9,970.56, 14,961.60 and 3,818.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,970.56 : 14,961.60 = 3,818.88 : x
2. Step 2: Convert to fraction form
   9,970.56/14,961.60 = 3,818.88/x
3. Step 3: Cross multiply
   9,970.56x = 14,961.60 × 3,818.88
4. Step 4: Simplify right side
   9,970.56x = 57,136,555.01
5. Step 5: Solve for x
   x = 57,136,555.01/9,970.56
6. Step 6: Final answer
   x = 5,730.53