Finding the Fourth Proportional to 89,205.45, 123,109.23 and 58,937.69

Step by Step Solution

1. Step 1: Write the proportion equation
   89,205.45 : 123,109.23 = 58,937.69 : x
2. Step 2: Convert to fraction form
   89,205.45/123,109.23 = 58,937.69/x
3. Step 3: Cross multiply
   89,205.45x = 123,109.23 × 58,937.69
4. Step 4: Simplify right side
   89,205.45x = 7,255,773,633.88
5. Step 5: Solve for x
   x = 7,255,773,633.88/89,205.45
6. Step 6: Final answer
   x = 81,337.78