Finding the Fourth Proportional to 2,633,314.50, 3,949,973.37 and 638,770.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,633,314.50 : 3,949,973.37 = 638,770.50 : x
2. Step 2: Convert to fraction form
   2,633,314.50/3,949,973.37 = 638,770.50/x
3. Step 3: Cross multiply
   2,633,314.50x = 3,949,973.37 × 638,770.50
4. Step 4: Simplify right side
   2,633,314.50x = 2,523,126,464,541.59
5. Step 5: Solve for x
   x = 2,523,126,464,541.59/2,633,314.50
6. Step 6: Final answer
   x = 958,156.14