Finding the Fourth Proportional to 13,050.77, 19,573.69 and 3,690.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,050.77 : 19,573.69 = 3,690.72 : x
2. Step 2: Convert to fraction form
   13,050.77/19,573.69 = 3,690.72/x
3. Step 3: Cross multiply
   13,050.77x = 19,573.69 × 3,690.72
4. Step 4: Simplify right side
   13,050.77x = 72,241,009.16
5. Step 5: Solve for x
   x = 72,241,009.16/13,050.77
6. Step 6: Final answer
   x = 5,535.38