Finding the Fourth Proportional to 10,931.22, 16,397.37 and 4,692.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,931.22 : 16,397.37 = 4,692.06 : x
2. Step 2: Convert to fraction form
   10,931.22/16,397.37 = 4,692.06/x
3. Step 3: Cross multiply
   10,931.22x = 16,397.37 × 4,692.06
4. Step 4: Simplify right side
   10,931.22x = 76,937,443.88
5. Step 5: Solve for x
   x = 76,937,443.88/10,931.22
6. Step 6: Final answer
   x = 7,038.32