Finding the Fourth Proportional to 13,791.06, 19,031.61 and 7,503.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,791.06 : 19,031.61 = 7,503.54 : x
2. Step 2: Convert to fraction form
   13,791.06/19,031.61 = 7,503.54/x
3. Step 3: Cross multiply
   13,791.06x = 19,031.61 × 7,503.54
4. Step 4: Simplify right side
   13,791.06x = 142,804,446.90
5. Step 5: Solve for x
   x = 142,804,446.90/13,791.06
6. Step 6: Final answer
   x = 10,354.86