Finding the Fourth Proportional to 1,650,667.64, 2,475,686.18 and 513,443.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,650,667.64 : 2,475,686.18 = 513,443.58 : x
2. Step 2: Convert to fraction form
   1,650,667.64/2,475,686.18 = 513,443.58/x
3. Step 3: Cross multiply
   1,650,667.64x = 2,475,686.18 × 513,443.58
4. Step 4: Simplify right side
   1,650,667.64x = 1,271,125,175,215.72
5. Step 5: Solve for x
   x = 1,271,125,175,215.72/1,650,667.64
6. Step 6: Final answer
   x = 770,067.30