Finding the Fourth Proportional to 58,323.51, 80,422.88 and 39,427.83

Step by Step Solution

1. Step 1: Write the proportion equation
   58,323.51 : 80,422.88 = 39,427.83 : x
2. Step 2: Convert to fraction form
   58,323.51/80,422.88 = 39,427.83/x
3. Step 3: Cross multiply
   58,323.51x = 80,422.88 × 39,427.83
4. Step 4: Simplify right side
   58,323.51x = 3,170,899,443.61
5. Step 5: Solve for x
   x = 3,170,899,443.61/58,323.51
6. Step 6: Final answer
   x = 54,367.43