Finding the Fourth Proportional to 9,402.85, 14,106.06 and 3,780.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,402.85 : 14,106.06 = 3,780.96 : x
2. Step 2: Convert to fraction form
   9,402.85/14,106.06 = 3,780.96/x
3. Step 3: Cross multiply
   9,402.85x = 14,106.06 × 3,780.96
4. Step 4: Simplify right side
   9,402.85x = 53,334,395.72
5. Step 5: Solve for x
   x = 53,334,395.72/9,402.85
6. Step 6: Final answer
   x = 5,672.15