Finding the Fourth Proportional to 148,499.18, 204,930.32 and 80,515.98

Step by Step Solution

1. Step 1: Write the proportion equation
   148,499.18 : 204,930.32 = 80,515.98 : x
2. Step 2: Convert to fraction form
   148,499.18/204,930.32 = 80,515.98/x
3. Step 3: Cross multiply
   148,499.18x = 204,930.32 × 80,515.98
4. Step 4: Simplify right side
   148,499.18x = 16,500,165,143.93
5. Step 5: Solve for x
   x = 16,500,165,143.93/148,499.18
6. Step 6: Final answer
   x = 111,112.84