Finding the Fourth Proportional to 13,003.76, 19,506.60 and 3,770.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,003.76 : 19,506.60 = 3,770.48 : x
2. Step 2: Convert to fraction form
   13,003.76/19,506.60 = 3,770.48/x
3. Step 3: Cross multiply
   13,003.76x = 19,506.60 × 3,770.48
4. Step 4: Simplify right side
   13,003.76x = 73,549,245.17
5. Step 5: Solve for x
   x = 73,549,245.17/13,003.76
6. Step 6: Final answer
   x = 5,656.00