Finding the Fourth Proportional to 13,997.03, 19,316.39 and 7,624.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,997.03 : 19,316.39 = 7,624.15 : x
2. Step 2: Convert to fraction form
   13,997.03/19,316.39 = 7,624.15/x
3. Step 3: Cross multiply
   13,997.03x = 19,316.39 × 7,624.15
4. Step 4: Simplify right side
   13,997.03x = 147,271,054.82
5. Step 5: Solve for x
   x = 147,271,054.82/13,997.03
6. Step 6: Final answer
   x = 10,521.59