Finding the Fourth Proportional to 10,281.30, 15,412.50 and 3,705.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,281.30 : 15,412.50 = 3,705.88 : x
2. Step 2: Convert to fraction form
   10,281.30/15,412.50 = 3,705.88/x
3. Step 3: Cross multiply
   10,281.30x = 15,412.50 × 3,705.88
4. Step 4: Simplify right side
   10,281.30x = 57,116,875.50
5. Step 5: Solve for x
   x = 57,116,875.50/10,281.30
6. Step 6: Final answer
   x = 5,555.41