Finding the Fourth Proportional to 74,983.40, 112,521.57 and 30,610.10

Step by Step Solution

1. Step 1: Write the proportion equation
   74,983.40 : 112,521.57 = 30,610.10 : x
2. Step 2: Convert to fraction form
   74,983.40/112,521.57 = 30,610.10/x
3. Step 3: Cross multiply
   74,983.40x = 112,521.57 × 30,610.10
4. Step 4: Simplify right side
   74,983.40x = 3,444,296,509.86
5. Step 5: Solve for x
   x = 3,444,296,509.86/74,983.40
6. Step 6: Final answer
   x = 45,934.12