Finding the Fourth Proportional to 9,980.53, 14,980.01 and 5,053.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,980.53 : 14,980.01 = 5,053.62 : x
2. Step 2: Convert to fraction form
   9,980.53/14,980.01 = 5,053.62/x
3. Step 3: Cross multiply
   9,980.53x = 14,980.01 × 5,053.62
4. Step 4: Simplify right side
   9,980.53x = 75,703,309.04
5. Step 5: Solve for x
   x = 75,703,309.04/9,980.53
6. Step 6: Final answer
   x = 7,585.10