Finding the Fourth Proportional to 9,903.18, 14,852.01 and 3,980.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,903.18 : 14,852.01 = 3,980.05 : x
2. Step 2: Convert to fraction form
   9,903.18/14,852.01 = 3,980.05/x
3. Step 3: Cross multiply
   9,903.18x = 14,852.01 × 3,980.05
4. Step 4: Simplify right side
   9,903.18x = 59,111,742.40
5. Step 5: Solve for x
   x = 59,111,742.40/9,903.18
6. Step 6: Final answer
   x = 5,968.97