Finding the Fourth Proportional to 12,356.56, 17,054.04 and 7,051.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,356.56 : 17,054.04 = 7,051.60 : x
2. Step 2: Convert to fraction form
   12,356.56/17,054.04 = 7,051.60/x
3. Step 3: Cross multiply
   12,356.56x = 17,054.04 × 7,051.60
4. Step 4: Simplify right side
   12,356.56x = 120,258,268.46
5. Step 5: Solve for x
   x = 120,258,268.46/12,356.56
6. Step 6: Final answer
   x = 9,732.34