Finding the Fourth Proportional to 148,106.38, 204,386.59 and 80,123.20

Step by Step Solution

1. Step 1: Write the proportion equation
   148,106.38 : 204,386.59 = 80,123.20 : x
2. Step 2: Convert to fraction form
   148,106.38/204,386.59 = 80,123.20/x
3. Step 3: Cross multiply
   148,106.38x = 204,386.59 × 80,123.20
4. Step 4: Simplify right side
   148,106.38x = 16,376,107,627.89
5. Step 5: Solve for x
   x = 16,376,107,627.89/148,106.38
6. Step 6: Final answer
   x = 110,569.90