Finding the Fourth Proportional to 13,819.22, 19,070.51 and 7,531.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,819.22 : 19,070.51 = 7,531.59 : x
2. Step 2: Convert to fraction form
   13,819.22/19,070.51 = 7,531.59/x
3. Step 3: Cross multiply
   13,819.22x = 19,070.51 × 7,531.59
4. Step 4: Simplify right side
   13,819.22x = 143,631,296.27
5. Step 5: Solve for x
   x = 143,631,296.27/13,819.22
6. Step 6: Final answer
   x = 10,393.59