Finding the Fourth Proportional to 13,469.76, 18,588.56 and 7,501.80

Step by Step Solution

1. Step 1: Write the proportion equation
   13,469.76 : 18,588.56 = 7,501.80 : x
2. Step 2: Convert to fraction form
   13,469.76/18,588.56 = 7,501.80/x
3. Step 3: Cross multiply
   13,469.76x = 18,588.56 × 7,501.80
4. Step 4: Simplify right side
   13,469.76x = 139,447,659.41
5. Step 5: Solve for x
   x = 139,447,659.41/13,469.76
6. Step 6: Final answer
   x = 10,352.65