Finding the Fourth Proportional to 13,858.32, 19,124.73 and 7,570.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,858.32 : 19,124.73 = 7,570.56 : x
2. Step 2: Convert to fraction form
   13,858.32/19,124.73 = 7,570.56/x
3. Step 3: Cross multiply
   13,858.32x = 19,124.73 × 7,570.56
4. Step 4: Simplify right side
   13,858.32x = 144,784,915.95
5. Step 5: Solve for x
   x = 144,784,915.95/13,858.32
6. Step 6: Final answer
   x = 10,447.51