Finding the Fourth Proportional to 7,801.34, 11,706.06 and 3,640.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,801.34 : 11,706.06 = 3,640.16 : x
2. Step 2: Convert to fraction form
   7,801.34/11,706.06 = 3,640.16/x
3. Step 3: Cross multiply
   7,801.34x = 11,706.06 × 3,640.16
4. Step 4: Simplify right side
   7,801.34x = 42,611,931.37
5. Step 5: Solve for x
   x = 42,611,931.37/7,801.34
6. Step 6: Final answer
   x = 5,462.13