Finding the Fourth Proportional to 8,898.03, 12,281.16 and 7,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,898.03 : 12,281.16 = 7,404.50 : x
2. Step 2: Convert to fraction form
   8,898.03/12,281.16 = 7,404.50/x
3. Step 3: Cross multiply
   8,898.03x = 12,281.16 × 7,404.50
4. Step 4: Simplify right side
   8,898.03x = 90,935,787.81
5. Step 5: Solve for x
   x = 90,935,787.81/8,898.03
6. Step 6: Final answer
   x = 10,219.77