Finding the Fourth Proportional to 12,033,633.78, 18,048,675.15 and 3,511,682.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,033,633.78 : 18,048,675.15 = 3,511,682.10 : x
2. Step 2: Convert to fraction form
   12,033,633.78/18,048,675.15 = 3,511,682.10/x
3. Step 3: Cross multiply
   12,033,633.78x = 18,048,675.15 × 3,511,682.10
4. Step 4: Simplify right side
   12,033,633.78x = 63,381,209,452,969.81
5. Step 5: Solve for x
   x = 63,381,209,452,969.81/12,033,633.78
6. Step 6: Final answer
   x = 5,267,005.01