Finding the Fourth Proportional to 13,302.29, 19,953.86 and 4,980.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,302.29 : 19,953.86 = 4,980.72 : x
2. Step 2: Convert to fraction form
   13,302.29/19,953.86 = 4,980.72/x
3. Step 3: Cross multiply
   13,302.29x = 19,953.86 × 4,980.72
4. Step 4: Simplify right side
   13,302.29x = 99,384,667.52
5. Step 5: Solve for x
   x = 99,384,667.52/13,302.29
6. Step 6: Final answer
   x = 7,471.24