Finding the Fourth Proportional to 74,018.09, 111,034.18 and 20,710.10

Step by Step Solution

1. Step 1: Write the proportion equation
   74,018.09 : 111,034.18 = 20,710.10 : x
2. Step 2: Convert to fraction form
   74,018.09/111,034.18 = 20,710.10/x
3. Step 3: Cross multiply
   74,018.09x = 111,034.18 × 20,710.10
4. Step 4: Simplify right side
   74,018.09x = 2,299,528,971.22
5. Step 5: Solve for x
   x = 2,299,528,971.22/74,018.09
6. Step 6: Final answer
   x = 31,067.12