Finding the Fourth Proportional to 10,021.02, 13,820.55 and 7,509.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,021.02 : 13,820.55 = 7,509.06 : x
2. Step 2: Convert to fraction form
   10,021.02/13,820.55 = 7,509.06/x
3. Step 3: Cross multiply
   10,021.02x = 13,820.55 × 7,509.06
4. Step 4: Simplify right side
   10,021.02x = 103,779,339.18
5. Step 5: Solve for x
   x = 103,779,339.18/10,021.02
6. Step 6: Final answer
   x = 10,356.17