Finding the Fourth Proportional to 112,749.35, 155,596.62 and 64,350.31

Step by Step Solution

1. Step 1: Write the proportion equation
   112,749.35 : 155,596.62 = 64,350.31 : x
2. Step 2: Convert to fraction form
   112,749.35/155,596.62 = 64,350.31/x
3. Step 3: Cross multiply
   112,749.35x = 155,596.62 × 64,350.31
4. Step 4: Simplify right side
   112,749.35x = 10,012,690,410.20
5. Step 5: Solve for x
   x = 10,012,690,410.20/112,749.35
6. Step 6: Final answer
   x = 88,804.86