Finding the Fourth Proportional to 562,498.32, 843,860.34 and 207,514.20

Step by Step Solution

1. Step 1: Write the proportion equation
   562,498.32 : 843,860.34 = 207,514.20 : x
2. Step 2: Convert to fraction form
   562,498.32/843,860.34 = 207,514.20/x
3. Step 3: Cross multiply
   562,498.32x = 843,860.34 × 207,514.20
4. Step 4: Simplify right side
   562,498.32x = 175,113,003,366.83
5. Step 5: Solve for x
   x = 175,113,003,366.83/562,498.32
6. Step 6: Final answer
   x = 311,312.94