Finding the Fourth Proportional to 112,604.06, 155,449.85 and 64,848.18

Step by Step Solution

1. Step 1: Write the proportion equation
   112,604.06 : 155,449.85 = 64,848.18 : x
2. Step 2: Convert to fraction form
   112,604.06/155,449.85 = 64,848.18/x
3. Step 3: Cross multiply
   112,604.06x = 155,449.85 × 64,848.18
4. Step 4: Simplify right side
   112,604.06x = 10,080,640,015.89
5. Step 5: Solve for x
   x = 10,080,640,015.89/112,604.06
6. Step 6: Final answer
   x = 89,522.89