Finding the Fourth Proportional to 98,126.82, 135,403.83 and 55,100.61

Step by Step Solution

1. Step 1: Write the proportion equation
   98,126.82 : 135,403.83 = 55,100.61 : x
2. Step 2: Convert to fraction form
   98,126.82/135,403.83 = 55,100.61/x
3. Step 3: Cross multiply
   98,126.82x = 135,403.83 × 55,100.61
4. Step 4: Simplify right side
   98,126.82x = 7,460,833,629.34
5. Step 5: Solve for x
   x = 7,460,833,629.34/98,126.82
6. Step 6: Final answer
   x = 76,032.56