Finding the Fourth Proportional to 9,070.17, 13,601.60 and 3,146.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,070.17 : 13,601.60 = 3,146.13 : x
2. Step 2: Convert to fraction form
   9,070.17/13,601.60 = 3,146.13/x
3. Step 3: Cross multiply
   9,070.17x = 13,601.60 × 3,146.13
4. Step 4: Simplify right side
   9,070.17x = 42,792,401.81
5. Step 5: Solve for x
   x = 42,792,401.81/9,070.17
6. Step 6: Final answer
   x = 4,717.93