Finding the Fourth Proportional to 9,901.79, 14,841.90 and 3,656.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,901.79 : 14,841.90 = 3,656.53 : x
2. Step 2: Convert to fraction form
   9,901.79/14,841.90 = 3,656.53/x
3. Step 3: Cross multiply
   9,901.79x = 14,841.90 × 3,656.53
4. Step 4: Simplify right side
   9,901.79x = 54,269,834.32
5. Step 5: Solve for x
   x = 54,269,834.32/9,901.79
6. Step 6: Final answer
   x = 5,480.81