Finding the Fourth Proportional to 12,401,702.78, 18,601,351.41 and 3,765,878.00

Step by Step Solution

1. Step 1: Write the proportion equation
   12,401,702.78 : 18,601,351.41 = 3,765,878.00 : x
2. Step 2: Convert to fraction form
   12,401,702.78/18,601,351.41 = 3,765,878.00/x
3. Step 3: Cross multiply
   12,401,702.78x = 18,601,351.41 × 3,765,878.00
4. Step 4: Simplify right side
   12,401,702.78x = 70,050,419,983,742.04
5. Step 5: Solve for x
   x = 70,050,419,983,742.04/12,401,702.78
6. Step 6: Final answer
   x = 5,648,451.77