Finding the Fourth Proportional to 14,045, 21,068.72 and 3,656.76

Step by Step Solution

1. Step 1: Write the proportion equation
   14,045 : 21,068.72 = 3,656.76 : x
2. Step 2: Convert to fraction form
   14,045/21,068.72 = 3,656.76/x
3. Step 3: Cross multiply
   14,045x = 21,068.72 × 3,656.76
4. Step 4: Simplify right side
   14,045x = 77,043,252.55
5. Step 5: Solve for x
   x = 77,043,252.55/14,045
6. Step 6: Final answer
   x = 5,485.46