Finding the Fourth Proportional to 2,111,104.64, 3,166,659.12 and 513,667.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,104.64 : 3,166,659.12 = 513,667.68 : x
2. Step 2: Convert to fraction form
   2,111,104.64/3,166,659.12 = 513,667.68/x
3. Step 3: Cross multiply
   2,111,104.64x = 3,166,659.12 × 513,667.68
4. Step 4: Simplify right side
   2,111,104.64x = 1,626,610,443,521.24
5. Step 5: Solve for x
   x = 1,626,610,443,521.24/2,111,104.64
6. Step 6: Final answer
   x = 770,502.05