Finding the Fourth Proportional to 12,522,066.18, 18,782,180.55 and 4,000,114.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,522,066.18 : 18,782,180.55 = 4,000,114.50 : x
2. Step 2: Convert to fraction form
   12,522,066.18/18,782,180.55 = 4,000,114.50/x
3. Step 3: Cross multiply
   12,522,066.18x = 18,782,180.55 × 4,000,114.50
4. Step 4: Simplify right side
   12,522,066.18x = 75,130,872,759,672.98
5. Step 5: Solve for x
   x = 75,130,872,759,672.98/12,522,066.18
6. Step 6: Final answer
   x = 5,999,878.27