Finding the Fourth Proportional to 30,556.53, 42,171.93 and 17,810.33

Step by Step Solution

1. Step 1: Write the proportion equation
   30,556.53 : 42,171.93 = 17,810.33 : x
2. Step 2: Convert to fraction form
   30,556.53/42,171.93 = 17,810.33/x
3. Step 3: Cross multiply
   30,556.53x = 42,171.93 × 17,810.33
4. Step 4: Simplify right side
   30,556.53x = 751,095,779.18
5. Step 5: Solve for x
   x = 751,095,779.18/30,556.53
6. Step 6: Final answer
   x = 24,580.53