Finding the Fourth Proportional to 98,912.37, 136,498.89 and 53,591.51

Step by Step Solution

1. Step 1: Write the proportion equation
   98,912.37 : 136,498.89 = 53,591.51 : x
2. Step 2: Convert to fraction form
   98,912.37/136,498.89 = 53,591.51/x
3. Step 3: Cross multiply
   98,912.37x = 136,498.89 × 53,591.51
4. Step 4: Simplify right side
   98,912.37x = 7,315,180,945.93
5. Step 5: Solve for x
   x = 7,315,180,945.93/98,912.37
6. Step 6: Final answer
   x = 73,956.18