Finding the Fourth Proportional to 122,080.54, 183,239.18 and 58,945.21

Step by Step Solution

1. Step 1: Write the proportion equation
   122,080.54 : 183,239.18 = 58,945.21 : x
2. Step 2: Convert to fraction form
   122,080.54/183,239.18 = 58,945.21/x
3. Step 3: Cross multiply
   122,080.54x = 183,239.18 × 58,945.21
4. Step 4: Simplify right side
   122,080.54x = 10,801,071,945.33
5. Step 5: Solve for x
   x = 10,801,071,945.33/122,080.54
6. Step 6: Final answer
   x = 88,474.97