Finding the Fourth Proportional to 9,899.50, 14,848.86 and 2,503.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,899.50 : 14,848.86 = 2,503.86 : x
2. Step 2: Convert to fraction form
   9,899.50/14,848.86 = 2,503.86/x
3. Step 3: Cross multiply
   9,899.50x = 14,848.86 × 2,503.86
4. Step 4: Simplify right side
   9,899.50x = 37,179,466.60
5. Step 5: Solve for x
   x = 37,179,466.60/9,899.50
6. Step 6: Final answer
   x = 3,755.69