Finding the Fourth Proportional to 123,920.75, 185,885.17 and 58,991.07

Step by Step Solution

1. Step 1: Write the proportion equation
   123,920.75 : 185,885.17 = 58,991.07 : x
2. Step 2: Convert to fraction form
   123,920.75/185,885.17 = 58,991.07/x
3. Step 3: Cross multiply
   123,920.75x = 185,885.17 × 58,991.07
4. Step 4: Simplify right side
   123,920.75x = 10,965,565,075.43
5. Step 5: Solve for x
   x = 10,965,565,075.43/123,920.75
6. Step 6: Final answer
   x = 88,488.53