Finding the Fourth Proportional to 12,941.94, 17,855.58 and 7,904.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,941.94 : 17,855.58 = 7,904.34 : x
2. Step 2: Convert to fraction form
   12,941.94/17,855.58 = 7,904.34/x
3. Step 3: Cross multiply
   12,941.94x = 17,855.58 × 7,904.34
4. Step 4: Simplify right side
   12,941.94x = 141,136,575.22
5. Step 5: Solve for x
   x = 141,136,575.22/12,941.94
6. Step 6: Final answer
   x = 10,905.36