Finding the Fourth Proportional to 3,118,385.50, 4,303,372.02 and 1,687,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,118,385.50 : 4,303,372.02 = 1,687,601.50 : x
2. Step 2: Convert to fraction form
   3,118,385.50/4,303,372.02 = 1,687,601.50/x
3. Step 3: Cross multiply
   3,118,385.50x = 4,303,372.02 × 1,687,601.50
4. Step 4: Simplify right side
   3,118,385.50x = 7,262,377,076,010.03
5. Step 5: Solve for x
   x = 7,262,377,076,010.03/3,118,385.50
6. Step 6: Final answer
   x = 2,328,890.09