Finding the Fourth Proportional to 2,109,448.32, 3,164,174.14 and 512,013

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,448.32 : 3,164,174.14 = 512,013 : x
2. Step 2: Convert to fraction form
   2,109,448.32/3,164,174.14 = 512,013/x
3. Step 3: Cross multiply
   2,109,448.32x = 3,164,174.14 × 512,013
4. Step 4: Simplify right side
   2,109,448.32x = 1,620,098,293,943.82
5. Step 5: Solve for x
   x = 1,620,098,293,943.82/2,109,448.32
6. Step 6: Final answer
   x = 768,019.90