Finding the Fourth Proportional to 112,245.72, 154,902.71 and 63,846.40

Step by Step Solution

1. Step 1: Write the proportion equation
   112,245.72 : 154,902.71 = 63,846.40 : x
2. Step 2: Convert to fraction form
   112,245.72/154,902.71 = 63,846.40/x
3. Step 3: Cross multiply
   112,245.72x = 154,902.71 × 63,846.40
4. Step 4: Simplify right side
   112,245.72x = 9,889,980,156.10
5. Step 5: Solve for x
   x = 9,889,980,156.10/112,245.72
6. Step 6: Final answer
   x = 88,110.09