Finding the Fourth Proportional to 112,680.96, 155,499.87 and 64,933.08

Step by Step Solution

1. Step 1: Write the proportion equation
   112,680.96 : 155,499.87 = 64,933.08 : x
2. Step 2: Convert to fraction form
   112,680.96/155,499.87 = 64,933.08/x
3. Step 3: Cross multiply
   112,680.96x = 155,499.87 × 64,933.08
4. Step 4: Simplify right side
   112,680.96x = 10,097,085,498.70
5. Step 5: Solve for x
   x = 10,097,085,498.70/112,680.96
6. Step 6: Final answer
   x = 89,607.73