Finding the Fourth Proportional to 10,090.16, 15,130 and 5,931.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,090.16 : 15,130 = 5,931.42 : x
2. Step 2: Convert to fraction form
   10,090.16/15,130 = 5,931.42/x
3. Step 3: Cross multiply
   10,090.16x = 15,130 × 5,931.42
4. Step 4: Simplify right side
   10,090.16x = 89,742,384.60
5. Step 5: Solve for x
   x = 89,742,384.60/10,090.16
6. Step 6: Final answer
   x = 8,894.05