Finding the Fourth Proportional to 13,002.07, 19,503.15 and 3,141.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,002.07 : 19,503.15 = 3,141.33 : x
2. Step 2: Convert to fraction form
   13,002.07/19,503.15 = 3,141.33/x
3. Step 3: Cross multiply
   13,002.07x = 19,503.15 × 3,141.33
4. Step 4: Simplify right side
   13,002.07x = 61,265,830.19
5. Step 5: Solve for x
   x = 61,265,830.19/13,002.07
6. Step 6: Final answer
   x = 4,712.01