Finding the Fourth Proportional to 98,849.82, 148,212.43 and 83,862.17

Step by Step Solution

1. Step 1: Write the proportion equation
   98,849.82 : 148,212.43 = 83,862.17 : x
2. Step 2: Convert to fraction form
   98,849.82/148,212.43 = 83,862.17/x
3. Step 3: Cross multiply
   98,849.82x = 148,212.43 × 83,862.17
4. Step 4: Simplify right side
   98,849.82x = 12,429,416,000.77
5. Step 5: Solve for x
   x = 12,429,416,000.77/98,849.82
6. Step 6: Final answer
   x = 125,740.40