Finding the Fourth Proportional to 9,994.98, 14,970.18 and 7,064.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,994.98 : 14,970.18 = 7,064.40 : x
2. Step 2: Convert to fraction form
   9,994.98/14,970.18 = 7,064.40/x
3. Step 3: Cross multiply
   9,994.98x = 14,970.18 × 7,064.40
4. Step 4: Simplify right side
   9,994.98x = 105,755,339.59
5. Step 5: Solve for x
   x = 105,755,339.59/9,994.98
6. Step 6: Final answer
   x = 10,580.85