Finding the Fourth Proportional to 112,179.89, 154,834.82 and 64,460.91

Step by Step Solution

1. Step 1: Write the proportion equation
   112,179.89 : 154,834.82 = 64,460.91 : x
2. Step 2: Convert to fraction form
   112,179.89/154,834.82 = 64,460.91/x
3. Step 3: Cross multiply
   112,179.89x = 154,834.82 × 64,460.91
4. Step 4: Simplify right side
   112,179.89x = 9,980,793,715.64
5. Step 5: Solve for x
   x = 9,980,793,715.64/112,179.89
6. Step 6: Final answer
   x = 88,971.33