Finding the Fourth Proportional to 56,588.72, 84,904.94 and 17,146.16

Step by Step Solution

1. Step 1: Write the proportion equation
   56,588.72 : 84,904.94 = 17,146.16 : x
2. Step 2: Convert to fraction form
   56,588.72/84,904.94 = 17,146.16/x
3. Step 3: Cross multiply
   56,588.72x = 84,904.94 × 17,146.16
4. Step 4: Simplify right side
   56,588.72x = 1,455,793,686.03
5. Step 5: Solve for x
   x = 1,455,793,686.03/56,588.72
6. Step 6: Final answer
   x = 25,725.86