Finding the Fourth Proportional to 11,858.94, 17,788.01 and 5,621.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,858.94 : 17,788.01 = 5,621.94 : x
2. Step 2: Convert to fraction form
   11,858.94/17,788.01 = 5,621.94/x
3. Step 3: Cross multiply
   11,858.94x = 17,788.01 × 5,621.94
4. Step 4: Simplify right side
   11,858.94x = 100,003,096.83
5. Step 5: Solve for x
   x = 100,003,096.83/11,858.94
6. Step 6: Final answer
   x = 8,432.72