Finding the Fourth Proportional to 55,980.72, 77,252.72 and 31,786.24

Step by Step Solution

1. Step 1: Write the proportion equation
   55,980.72 : 77,252.72 = 31,786.24 : x
2. Step 2: Convert to fraction form
   55,980.72/77,252.72 = 31,786.24/x
3. Step 3: Cross multiply
   55,980.72x = 77,252.72 × 31,786.24
4. Step 4: Simplify right side
   55,980.72x = 2,455,573,498.57
5. Step 5: Solve for x
   x = 2,455,573,498.57/55,980.72
6. Step 6: Final answer
   x = 43,864.63