Finding the Fourth Proportional to 13,790.94, 19,031.54 and 7,503.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,790.94 : 19,031.54 = 7,503.32 : x
2. Step 2: Convert to fraction form
   13,790.94/19,031.54 = 7,503.32/x
3. Step 3: Cross multiply
   13,790.94x = 19,031.54 × 7,503.32
4. Step 4: Simplify right side
   13,790.94x = 142,799,602.04
5. Step 5: Solve for x
   x = 142,799,602.04/13,790.94
6. Step 6: Final answer
   x = 10,354.60