Finding the Fourth Proportional to 148,138.48, 204,457.71 and 83,627.38

Step by Step Solution

1. Step 1: Write the proportion equation
   148,138.48 : 204,457.71 = 83,627.38 : x
2. Step 2: Convert to fraction form
   148,138.48/204,457.71 = 83,627.38/x
3. Step 3: Cross multiply
   148,138.48x = 204,457.71 × 83,627.38
4. Step 4: Simplify right side
   148,138.48x = 17,098,262,608.10
5. Step 5: Solve for x
   x = 17,098,262,608.10/148,138.48
6. Step 6: Final answer
   x = 115,420.80