Finding the Fourth Proportional to 98,009.46, 135,283.89 and 55,596.18

Step by Step Solution

1. Step 1: Write the proportion equation
   98,009.46 : 135,283.89 = 55,596.18 : x
2. Step 2: Convert to fraction form
   98,009.46/135,283.89 = 55,596.18/x
3. Step 3: Cross multiply
   98,009.46x = 135,283.89 × 55,596.18
4. Step 4: Simplify right side
   98,009.46x = 7,521,267,499.54
5. Step 5: Solve for x
   x = 7,521,267,499.54/98,009.46
6. Step 6: Final answer
   x = 76,740.22