Finding the Fourth Proportional to 268,581, 402,785.46 and 88,626.18

Step by Step Solution

1. Step 1: Write the proportion equation
   268,581 : 402,785.46 = 88,626.18 : x
2. Step 2: Convert to fraction form
   268,581/402,785.46 = 88,626.18/x
3. Step 3: Cross multiply
   268,581x = 402,785.46 × 88,626.18
4. Step 4: Simplify right side
   268,581x = 35,697,336,679.34
5. Step 5: Solve for x
   x = 35,697,336,679.34/268,581
6. Step 6: Final answer
   x = 132,910.88