Finding the Fourth Proportional to 55,929.72, 77,165.61 and 31,726.68

Step by Step Solution

1. Step 1: Write the proportion equation
   55,929.72 : 77,165.61 = 31,726.68 : x
2. Step 2: Convert to fraction form
   55,929.72/77,165.61 = 31,726.68/x
3. Step 3: Cross multiply
   55,929.72x = 77,165.61 × 31,726.68
4. Step 4: Simplify right side
   55,929.72x = 2,448,208,496.50
5. Step 5: Solve for x
   x = 2,448,208,496.50/55,929.72
6. Step 6: Final answer
   x = 43,772.95