Finding the Fourth Proportional to 13,858.02, 19,123.56 and 7,570.26

Step by Step Solution

1. Step 1: Write the proportion equation
   13,858.02 : 19,123.56 = 7,570.26 : x
2. Step 2: Convert to fraction form
   13,858.02/19,123.56 = 7,570.26/x
3. Step 3: Cross multiply
   13,858.02x = 19,123.56 × 7,570.26
4. Step 4: Simplify right side
   13,858.02x = 144,770,321.33
5. Step 5: Solve for x
   x = 144,770,321.33/13,858.02
6. Step 6: Final answer
   x = 10,446.68