Finding the Fourth Proportional to 10,077.01, 15,111.56 and 5,918.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,077.01 : 15,111.56 = 5,918.06 : x
2. Step 2: Convert to fraction form
   10,077.01/15,111.56 = 5,918.06/x
3. Step 3: Cross multiply
   10,077.01x = 15,111.56 × 5,918.06
4. Step 4: Simplify right side
   10,077.01x = 89,431,171.35
5. Step 5: Solve for x
   x = 89,431,171.35/10,077.01
6. Step 6: Final answer
   x = 8,874.77