Finding the Fourth Proportional to 12,074,522.08, 18,111,783.12 and 3,099,074.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,074,522.08 : 18,111,783.12 = 3,099,074.08 : x
2. Step 2: Convert to fraction form
   12,074,522.08/18,111,783.12 = 3,099,074.08/x
3. Step 3: Cross multiply
   12,074,522.08x = 18,111,783.12 × 3,099,074.08
4. Step 4: Simplify right side
   12,074,522.08x = 56,129,757,609,773.53
5. Step 5: Solve for x
   x = 56,129,757,609,773.53/12,074,522.08
6. Step 6: Final answer
   x = 4,648,611.12