Finding the Fourth Proportional to 13,090.72, 19,624.37 and 4,764.87

Step by Step Solution

1. Step 1: Write the proportion equation
   13,090.72 : 19,624.37 = 4,764.87 : x
2. Step 2: Convert to fraction form
   13,090.72/19,624.37 = 4,764.87/x
3. Step 3: Cross multiply
   13,090.72x = 19,624.37 × 4,764.87
4. Step 4: Simplify right side
   13,090.72x = 93,507,571.88
5. Step 5: Solve for x
   x = 93,507,571.88/13,090.72
6. Step 6: Final answer
   x = 7,143.04