Finding the Fourth Proportional to 112,604.56, 155,450.55 and 64,848.68

Step by Step Solution

1. Step 1: Write the proportion equation
   112,604.56 : 155,450.55 = 64,848.68 : x
2. Step 2: Convert to fraction form
   112,604.56/155,450.55 = 64,848.68/x
3. Step 3: Cross multiply
   112,604.56x = 155,450.55 × 64,848.68
4. Step 4: Simplify right side
   112,604.56x = 10,080,762,648.53
5. Step 5: Solve for x
   x = 10,080,762,648.53/112,604.56
6. Step 6: Final answer
   x = 89,523.58