Finding the Fourth Proportional to 8,142,402.10, 12,213,603.15 and 2,823,618.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,142,402.10 : 12,213,603.15 = 2,823,618.10 : x
2. Step 2: Convert to fraction form
   8,142,402.10/12,213,603.15 = 2,823,618.10/x
3. Step 3: Cross multiply
   8,142,402.10x = 12,213,603.15 × 2,823,618.10
4. Step 4: Simplify right side
   8,142,402.10x = 34,486,550,920,557.02
5. Step 5: Solve for x
   x = 34,486,550,920,557.02/8,142,402.10
6. Step 6: Final answer
   x = 4,235,427.15