Finding the Fourth Proportional to 58,426.78, 80,629 and 31,569.28

Step by Step Solution

1. Step 1: Write the proportion equation
   58,426.78 : 80,629 = 31,569.28 : x
2. Step 2: Convert to fraction form
   58,426.78/80,629 = 31,569.28/x
3. Step 3: Cross multiply
   58,426.78x = 80,629 × 31,569.28
4. Step 4: Simplify right side
   58,426.78x = 2,545,399,477.12
5. Step 5: Solve for x
   x = 2,545,399,477.12/58,426.78
6. Step 6: Final answer
   x = 43,565.63