Finding the Fourth Proportional to 51,443.08, 70,999.02 and 31,296.06

Step by Step Solution

1. Step 1: Write the proportion equation
   51,443.08 : 70,999.02 = 31,296.06 : x
2. Step 2: Convert to fraction form
   51,443.08/70,999.02 = 31,296.06/x
3. Step 3: Cross multiply
   51,443.08x = 70,999.02 × 31,296.06
4. Step 4: Simplify right side
   51,443.08x = 2,221,989,589.86
5. Step 5: Solve for x
   x = 2,221,989,589.86/51,443.08
6. Step 6: Final answer
   x = 43,193.17