Finding the Fourth Proportional to 2,109,754.72, 3,164,588.32 and 512,326.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,754.72 : 3,164,588.32 = 512,326.16 : x
2. Step 2: Convert to fraction form
   2,109,754.72/3,164,588.32 = 512,326.16/x
3. Step 3: Cross multiply
   2,109,754.72x = 3,164,588.32 × 512,326.16
4. Step 4: Simplify right side
   2,109,754.72x = 1,621,301,381,966.45
5. Step 5: Solve for x
   x = 1,621,301,381,966.45/2,109,754.72
6. Step 6: Final answer
   x = 768,478.61