Finding the Fourth Proportional to 51,422.04, 70,978.32 and 29,918.16

Step by Step Solution

1. Step 1: Write the proportion equation
   51,422.04 : 70,978.32 = 29,918.16 : x
2. Step 2: Convert to fraction form
   51,422.04/70,978.32 = 29,918.16/x
3. Step 3: Cross multiply
   51,422.04x = 70,978.32 × 29,918.16
4. Step 4: Simplify right side
   51,422.04x = 2,123,540,734.29
5. Step 5: Solve for x
   x = 2,123,540,734.29/51,422.04
6. Step 6: Final answer
   x = 41,296.31