Finding the Fourth Proportional to 10,055.16, 15,090.94 and 5,126.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,055.16 : 15,090.94 = 5,126.22 : x
2. Step 2: Convert to fraction form
   10,055.16/15,090.94 = 5,126.22/x
3. Step 3: Cross multiply
   10,055.16x = 15,090.94 × 5,126.22
4. Step 4: Simplify right side
   10,055.16x = 77,359,478.45
5. Step 5: Solve for x
   x = 77,359,478.45/10,055.16
6. Step 6: Final answer
   x = 7,693.51