Finding the Fourth Proportional to 13,997.58, 19,316.61 and 7,624.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,997.58 : 19,316.61 = 7,624.06 : x
2. Step 2: Convert to fraction form
   13,997.58/19,316.61 = 7,624.06/x
3. Step 3: Cross multiply
   13,997.58x = 19,316.61 × 7,624.06
4. Step 4: Simplify right side
   13,997.58x = 147,270,945.35
5. Step 5: Solve for x
   x = 147,270,945.35/13,997.58
6. Step 6: Final answer
   x = 10,521.17