Finding the Fourth Proportional to 58,362.63, 86,988.77 and 55,040.82

Step by Step Solution

1. Step 1: Write the proportion equation
   58,362.63 : 86,988.77 = 55,040.82 : x
2. Step 2: Convert to fraction form
   58,362.63/86,988.77 = 55,040.82/x
3. Step 3: Cross multiply
   58,362.63x = 86,988.77 × 55,040.82
4. Step 4: Simplify right side
   58,362.63x = 4,787,932,956.39
5. Step 5: Solve for x
   x = 4,787,932,956.39/58,362.63
6. Step 6: Final answer
   x = 82,037.65