Finding the Fourth Proportional to 57,056.48, 85,585.89 and 17,613.62

Step by Step Solution

1. Step 1: Write the proportion equation
   57,056.48 : 85,585.89 = 17,613.62 : x
2. Step 2: Convert to fraction form
   57,056.48/85,585.89 = 17,613.62/x
3. Step 3: Cross multiply
   57,056.48x = 85,585.89 × 17,613.62
4. Step 4: Simplify right side
   57,056.48x = 1,507,477,343.82
5. Step 5: Solve for x
   x = 1,507,477,343.82/57,056.48
6. Step 6: Final answer
   x = 26,420.79