Finding the Fourth Proportional to 10,116.81, 15,173.01 and 3,875.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,116.81 : 15,173.01 = 3,875.40 : x
2. Step 2: Convert to fraction form
   10,116.81/15,173.01 = 3,875.40/x
3. Step 3: Cross multiply
   10,116.81x = 15,173.01 × 3,875.40
4. Step 4: Simplify right side
   10,116.81x = 58,801,482.95
5. Step 5: Solve for x
   x = 58,801,482.95/10,116.81
6. Step 6: Final answer
   x = 5,812.26