Finding the Fourth Proportional to 8,974.19, 13,461.34 and 3,130.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,974.19 : 13,461.34 = 3,130.81 : x
2. Step 2: Convert to fraction form
   8,974.19/13,461.34 = 3,130.81/x
3. Step 3: Cross multiply
   8,974.19x = 13,461.34 × 3,130.81
4. Step 4: Simplify right side
   8,974.19x = 42,144,897.89
5. Step 5: Solve for x
   x = 42,144,897.89/8,974.19
6. Step 6: Final answer
   x = 4,696.23