Finding the Fourth Proportional to 11,860.12, 17,795.34 and 5,624.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,860.12 : 17,795.34 = 5,624.50 : x
2. Step 2: Convert to fraction form
   11,860.12/17,795.34 = 5,624.50/x
3. Step 3: Cross multiply
   11,860.12x = 17,795.34 × 5,624.50
4. Step 4: Simplify right side
   11,860.12x = 100,089,889.83
5. Step 5: Solve for x
   x = 100,089,889.83/11,860.12
6. Step 6: Final answer
   x = 8,439.20