Finding the Fourth Proportional to 8,495,854.70, 12,739,058.12 and 2,812,978.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,495,854.70 : 12,739,058.12 = 2,812,978.94 : x
2. Step 2: Convert to fraction form
   8,495,854.70/12,739,058.12 = 2,812,978.94/x
3. Step 3: Cross multiply
   8,495,854.70x = 12,739,058.12 × 2,812,978.94
4. Step 4: Simplify right side
   8,495,854.70x = 35,834,702,150,333.15
5. Step 5: Solve for x
   x = 35,834,702,150,333.15/8,495,854.70
6. Step 6: Final answer
   x = 4,217,904.31