Finding the Fourth Proportional to 98,626.64, 136,104.78 and 53,304.47

Step by Step Solution

1. Step 1: Write the proportion equation
   98,626.64 : 136,104.78 = 53,304.47 : x
2. Step 2: Convert to fraction form
   98,626.64/136,104.78 = 53,304.47/x
3. Step 3: Cross multiply
   98,626.64x = 136,104.78 × 53,304.47
4. Step 4: Simplify right side
   98,626.64x = 7,254,993,162.37
5. Step 5: Solve for x
   x = 7,254,993,162.37/98,626.64
6. Step 6: Final answer
   x = 73,560.18