Finding the Fourth Proportional to 98,081.98, 135,349.03 and 55,648.51

Step by Step Solution

1. Step 1: Write the proportion equation
   98,081.98 : 135,349.03 = 55,648.51 : x
2. Step 2: Convert to fraction form
   98,081.98/135,349.03 = 55,648.51/x
3. Step 3: Cross multiply
   98,081.98x = 135,349.03 × 55,648.51
4. Step 4: Simplify right side
   98,081.98x = 7,531,971,849.45
5. Step 5: Solve for x
   x = 7,531,971,849.45/98,081.98
6. Step 6: Final answer
   x = 76,792.62