Finding the Fourth Proportional to 13,300.12, 19,952.88 and 4,979.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.12 : 19,952.88 = 4,979.94 : x
2. Step 2: Convert to fraction form
   13,300.12/19,952.88 = 4,979.94/x
3. Step 3: Cross multiply
   13,300.12x = 19,952.88 × 4,979.94
4. Step 4: Simplify right side
   13,300.12x = 99,364,145.23
5. Step 5: Solve for x
   x = 99,364,145.23/13,300.12
6. Step 6: Final answer
   x = 7,470.92