Finding the Fourth Proportional to 2,570,856.63, 3,856,789.35 and 951,639.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570,856.63 : 3,856,789.35 = 951,639.59 : x
2. Step 2: Convert to fraction form
   2,570,856.63/3,856,789.35 = 951,639.59/x
3. Step 3: Cross multiply
   2,570,856.63x = 3,856,789.35 × 951,639.59
4. Step 4: Simplify right side
   2,570,856.63x = 3,670,273,445,392.34
5. Step 5: Solve for x
   x = 3,670,273,445,392.34/2,570,856.63
6. Step 6: Final answer
   x = 1,427,646.10