Finding the Fourth Proportional to 112,300.36, 154,956.88 and 64,544.80

Step by Step Solution

1. Step 1: Write the proportion equation
   112,300.36 : 154,956.88 = 64,544.80 : x
2. Step 2: Convert to fraction form
   112,300.36/154,956.88 = 64,544.80/x
3. Step 3: Cross multiply
   112,300.36x = 154,956.88 × 64,544.80
4. Step 4: Simplify right side
   112,300.36x = 10,001,660,828.22
5. Step 5: Solve for x
   x = 10,001,660,828.22/112,300.36
6. Step 6: Final answer
   x = 89,061.70