Finding the Fourth Proportional to 98,826.72, 148,066.56 and 82,293.12

Step by Step Solution

1. Step 1: Write the proportion equation
   98,826.72 : 148,066.56 = 82,293.12 : x
2. Step 2: Convert to fraction form
   98,826.72/148,066.56 = 82,293.12/x
3. Step 3: Cross multiply
   98,826.72x = 148,066.56 × 82,293.12
4. Step 4: Simplify right side
   98,826.72x = 12,184,859,190.07
5. Step 5: Solve for x
   x = 12,184,859,190.07/98,826.72
6. Step 6: Final answer
   x = 123,295.19