Finding the Fourth Proportional to 11,875.94, 17,820.12 and 4,861.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,875.94 : 17,820.12 = 4,861.16 : x
2. Step 2: Convert to fraction form
   11,875.94/17,820.12 = 4,861.16/x
3. Step 3: Cross multiply
   11,875.94x = 17,820.12 × 4,861.16
4. Step 4: Simplify right side
   11,875.94x = 86,626,454.54
5. Step 5: Solve for x
   x = 86,626,454.54/11,875.94
6. Step 6: Final answer
   x = 7,294.28