Finding the Fourth Proportional to 9,719.30, 14,586.04 and 3,877.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,719.30 : 14,586.04 = 3,877.58 : x
2. Step 2: Convert to fraction form
   9,719.30/14,586.04 = 3,877.58/x
3. Step 3: Cross multiply
   9,719.30x = 14,586.04 × 3,877.58
4. Step 4: Simplify right side
   9,719.30x = 56,558,536.98
5. Step 5: Solve for x
   x = 56,558,536.98/9,719.30
6. Step 6: Final answer
   x = 5,819.20