Finding the Fourth Proportional to 13,858.17, 19,124.24 and 7,570.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,858.17 : 19,124.24 = 7,570.59 : x
2. Step 2: Convert to fraction form
   13,858.17/19,124.24 = 7,570.59/x
3. Step 3: Cross multiply
   13,858.17x = 19,124.24 × 7,570.59
4. Step 4: Simplify right side
   13,858.17x = 144,781,722.83
5. Step 5: Solve for x
   x = 144,781,722.83/13,858.17
6. Step 6: Final answer
   x = 10,447.39