Finding the Fourth Proportional to 13,483.00, 18,606.63 and 7,515.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,483.00 : 18,606.63 = 7,515.05 : x
2. Step 2: Convert to fraction form
   13,483.00/18,606.63 = 7,515.05/x
3. Step 3: Cross multiply
   13,483.00x = 18,606.63 × 7,515.05
4. Step 4: Simplify right side
   13,483.00x = 139,829,749.74
5. Step 5: Solve for x
   x = 139,829,749.74/13,483.00
6. Step 6: Final answer
   x = 10,370.82