Finding the Fourth Proportional to 8,994.61, 12,412.53 and 5,015.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,994.61 : 12,412.53 = 5,015.62 : x
2. Step 2: Convert to fraction form
   8,994.61/12,412.53 = 5,015.62/x
3. Step 3: Cross multiply
   8,994.61x = 12,412.53 × 5,015.62
4. Step 4: Simplify right side
   8,994.61x = 62,256,533.72
5. Step 5: Solve for x
   x = 62,256,533.72/8,994.61
6. Step 6: Final answer
   x = 6,921.54