Finding the Fourth Proportional to 1,915,077.21, 2,873,035.90 and 567,345.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915,077.21 : 2,873,035.90 = 567,345.15 : x
2. Step 2: Convert to fraction form
   1,915,077.21/2,873,035.90 = 567,345.15/x
3. Step 3: Cross multiply
   1,915,077.21x = 2,873,035.90 × 567,345.15
4. Step 4: Simplify right side
   1,915,077.21x = 1,630,002,983,640.89
5. Step 5: Solve for x
   x = 1,630,002,983,640.89/1,915,077.21
6. Step 6: Final answer
   x = 851,142.18