Finding the Fourth Proportional to 122,190.15, 183,046.62 and 58,057.03

Step by Step Solution

1. Step 1: Write the proportion equation
   122,190.15 : 183,046.62 = 58,057.03 : x
2. Step 2: Convert to fraction form
   122,190.15/183,046.62 = 58,057.03/x
3. Step 3: Cross multiply
   122,190.15x = 183,046.62 × 58,057.03
4. Step 4: Simplify right side
   122,190.15x = 10,627,142,411.32
5. Step 5: Solve for x
   x = 10,627,142,411.32/122,190.15
6. Step 6: Final answer
   x = 86,972.17