Finding the Fourth Proportional to 2,632,773, 3,949,159.50 and 638,229

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632,773 : 3,949,159.50 = 638,229 : x
2. Step 2: Convert to fraction form
   2,632,773/3,949,159.50 = 638,229/x
3. Step 3: Cross multiply
   2,632,773x = 3,949,159.50 × 638,229
4. Step 4: Simplify right side
   2,632,773x = 2,520,468,118,525.50
5. Step 5: Solve for x
   x = 2,520,468,118,525.50/2,632,773
6. Step 6: Final answer
   x = 957,343.50