Finding the Fourth Proportional to 89,207.33, 123,041.84 and 57,345.77

Step by Step Solution

1. Step 1: Write the proportion equation
   89,207.33 : 123,041.84 = 57,345.77 : x
2. Step 2: Convert to fraction form
   89,207.33/123,041.84 = 57,345.77/x
3. Step 3: Cross multiply
   89,207.33x = 123,041.84 × 57,345.77
4. Step 4: Simplify right side
   89,207.33x = 7,055,929,077.89
5. Step 5: Solve for x
   x = 7,055,929,077.89/89,207.33
6. Step 6: Final answer
   x = 79,095.85