Finding the Fourth Proportional to 13,858.06, 19,124.12 and 7,570.44

Step by Step Solution

1. Step 1: Write the proportion equation
   13,858.06 : 19,124.12 = 7,570.44 : x
2. Step 2: Convert to fraction form
   13,858.06/19,124.12 = 7,570.44/x
3. Step 3: Cross multiply
   13,858.06x = 19,124.12 × 7,570.44
4. Step 4: Simplify right side
   13,858.06x = 144,778,003.01
5. Step 5: Solve for x
   x = 144,778,003.01/13,858.06
6. Step 6: Final answer
   x = 10,447.21