Finding the Fourth Proportional to 12,596,494.91, 17,374,208.72 and 8,408,068.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,596,494.91 : 17,374,208.72 = 8,408,068.05 : x
2. Step 2: Convert to fraction form
   12,596,494.91/17,374,208.72 = 8,408,068.05/x
3. Step 3: Cross multiply
   12,596,494.91x = 17,374,208.72 × 8,408,068.05
4. Step 4: Simplify right side
   12,596,494.91x = 146,083,529,190,623.06
5. Step 5: Solve for x
   x = 146,083,529,190,623.06/12,596,494.91
6. Step 6: Final answer
   x = 11,597,157.00