Finding the Fourth Proportional to 148,480.45, 204,900.50 and 83,948.61

Step by Step Solution

1. Step 1: Write the proportion equation
   148,480.45 : 204,900.50 = 83,948.61 : x
2. Step 2: Convert to fraction form
   148,480.45/204,900.50 = 83,948.61/x
3. Step 3: Cross multiply
   148,480.45x = 204,900.50 × 83,948.61
4. Step 4: Simplify right side
   148,480.45x = 17,201,113,141.55
5. Step 5: Solve for x
   x = 17,201,113,141.55/148,480.45
6. Step 6: Final answer
   x = 115,847.67