Finding the Fourth Proportional to 10,647,659.56, 14,676,555.72 and 8,320,507.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,647,659.56 : 14,676,555.72 = 8,320,507.51 : x
2. Step 2: Convert to fraction form
   10,647,659.56/14,676,555.72 = 8,320,507.51/x
3. Step 3: Cross multiply
   10,647,659.56x = 14,676,555.72 × 8,320,507.51
4. Step 4: Simplify right side
   10,647,659.56x = 122,116,392,089,193.45
5. Step 5: Solve for x
   x = 122,116,392,089,193.45/10,647,659.56
6. Step 6: Final answer
   x = 11,468,848.29