Finding the Fourth Proportional to 9,876.13, 14,811.46 and 4,876.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,876.13 : 14,811.46 = 4,876.10 : x
2. Step 2: Convert to fraction form
   9,876.13/14,811.46 = 4,876.10/x
3. Step 3: Cross multiply
   9,876.13x = 14,811.46 × 4,876.10
4. Step 4: Simplify right side
   9,876.13x = 72,222,129.40
5. Step 5: Solve for x
   x = 72,222,129.40/9,876.13
6. Step 6: Final answer
   x = 7,312.80