Finding the Fourth Proportional to 112,910.34, 155,771.82 and 65,154.46

Step by Step Solution

1. Step 1: Write the proportion equation
   112,910.34 : 155,771.82 = 65,154.46 : x
2. Step 2: Convert to fraction form
   112,910.34/155,771.82 = 65,154.46/x
3. Step 3: Cross multiply
   112,910.34x = 155,771.82 × 65,154.46
4. Step 4: Simplify right side
   112,910.34x = 10,149,228,815.32
5. Step 5: Solve for x
   x = 10,149,228,815.32/112,910.34
6. Step 6: Final answer
   x = 89,887.51