Finding the Fourth Proportional to 9,990.42, 14,994.84 and 5,063.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,990.42 : 14,994.84 = 5,063.52 : x
2. Step 2: Convert to fraction form
   9,990.42/14,994.84 = 5,063.52/x
3. Step 3: Cross multiply
   9,990.42x = 14,994.84 × 5,063.52
4. Step 4: Simplify right side
   9,990.42x = 75,926,672.24
5. Step 5: Solve for x
   x = 75,926,672.24/9,990.42
6. Step 6: Final answer
   x = 7,599.95