Finding the Fourth Proportional to 10,055.51, 15,090.56 and 7,074.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,055.51 : 15,090.56 = 7,074.35 : x
2. Step 2: Convert to fraction form
   10,055.51/15,090.56 = 7,074.35/x
3. Step 3: Cross multiply
   10,055.51x = 15,090.56 × 7,074.35
4. Step 4: Simplify right side
   10,055.51x = 106,755,792.31
5. Step 5: Solve for x
   x = 106,755,792.31/10,055.51
6. Step 6: Final answer
   x = 10,616.65