Finding the Fourth Proportional to 147,854.89, 204,039.55 and 84,192.69

Step by Step Solution

1. Step 1: Write the proportion equation
   147,854.89 : 204,039.55 = 84,192.69 : x
2. Step 2: Convert to fraction form
   147,854.89/204,039.55 = 84,192.69/x
3. Step 3: Cross multiply
   147,854.89x = 204,039.55 × 84,192.69
4. Step 4: Simplify right side
   147,854.89x = 17,178,638,580.89
5. Step 5: Solve for x
   x = 17,178,638,580.89/147,854.89
6. Step 6: Final answer
   x = 116,185.80