Finding the Fourth Proportional to 12,105,401.76, 16,705,318.55 and 6,598,656.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,105,401.76 : 16,705,318.55 = 6,598,656.05 : x
2. Step 2: Convert to fraction form
   12,105,401.76/16,705,318.55 = 6,598,656.05/x
3. Step 3: Cross multiply
   12,105,401.76x = 16,705,318.55 × 6,598,656.05
4. Step 4: Simplify right side
   12,105,401.76x = 110,232,651,200,614.86
5. Step 5: Solve for x
   x = 110,232,651,200,614.86/12,105,401.76
6. Step 6: Final answer
   x = 9,106,071.27