Finding the Fourth Proportional to 42,584.33, 63,886.49 and 13,002.17

Step by Step Solution

1. Step 1: Write the proportion equation
   42,584.33 : 63,886.49 = 13,002.17 : x
2. Step 2: Convert to fraction form
   42,584.33/63,886.49 = 13,002.17/x
3. Step 3: Cross multiply
   42,584.33x = 63,886.49 × 13,002.17
4. Step 4: Simplify right side
   42,584.33x = 830,662,619.24
5. Step 5: Solve for x
   x = 830,662,619.24/42,584.33
6. Step 6: Final answer
   x = 19,506.30