Finding the Fourth Proportional to 13,867.50, 19,137.33 and 7,580.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,867.50 : 19,137.33 = 7,580.01 : x
2. Step 2: Convert to fraction form
   13,867.50/19,137.33 = 7,580.01/x
3. Step 3: Cross multiply
   13,867.50x = 19,137.33 × 7,580.01
4. Step 4: Simplify right side
   13,867.50x = 145,061,152.77
5. Step 5: Solve for x
   x = 145,061,152.77/13,867.50
6. Step 6: Final answer
   x = 10,460.51