Finding the Fourth Proportional to 8,697,820.09, 12,008,996.61 and 5,436,100.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,697,820.09 : 12,008,996.61 = 5,436,100.96 : x
2. Step 2: Convert to fraction form
   8,697,820.09/12,008,996.61 = 5,436,100.96/x
3. Step 3: Cross multiply
   8,697,820.09x = 12,008,996.61 × 5,436,100.96
4. Step 4: Simplify right side
   8,697,820.09x = 65,282,118,000,257.74
5. Step 5: Solve for x
   x = 65,282,118,000,257.74/8,697,820.09
6. Step 6: Final answer
   x = 7,505,572.35