Finding the Fourth Proportional to 12,307,268.72, 16,994,924.72 and 7,668,969.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,307,268.72 : 16,994,924.72 = 7,668,969.76 : x
2. Step 2: Convert to fraction form
   12,307,268.72/16,994,924.72 = 7,668,969.76/x
3. Step 3: Cross multiply
   12,307,268.72x = 16,994,924.72 × 7,668,969.76
4. Step 4: Simplify right side
   12,307,268.72x = 130,333,563,751,156.45
5. Step 5: Solve for x
   x = 130,333,563,751,156.45/12,307,268.72
6. Step 6: Final answer
   x = 10,589,966.52