Finding the Fourth Proportional to 7,312.14, 10,090.98 and 4,169.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,312.14 : 10,090.98 = 4,169.34 : x
2. Step 2: Convert to fraction form
   7,312.14/10,090.98 = 4,169.34/x
3. Step 3: Cross multiply
   7,312.14x = 10,090.98 × 4,169.34
4. Step 4: Simplify right side
   7,312.14x = 42,072,726.55
5. Step 5: Solve for x
   x = 42,072,726.55/7,312.14
6. Step 6: Final answer
   x = 5,753.82