Finding the Fourth Proportional to 58,919.33, 88,379.94 and 55,928.61

Step by Step Solution

1. Step 1: Write the proportion equation
   58,919.33 : 88,379.94 = 55,928.61 : x
2. Step 2: Convert to fraction form
   58,919.33/88,379.94 = 55,928.61/x
3. Step 3: Cross multiply
   58,919.33x = 88,379.94 × 55,928.61
4. Step 4: Simplify right side
   58,919.33x = 4,942,967,405.82
5. Step 5: Solve for x
   x = 4,942,967,405.82/58,919.33
6. Step 6: Final answer
   x = 83,893.81