Finding the Fourth Proportional to 140,300.72, 193,607.88 and 76,626.32

Step by Step Solution

1. Step 1: Write the proportion equation
   140,300.72 : 193,607.88 = 76,626.32 : x
2. Step 2: Convert to fraction form
   140,300.72/193,607.88 = 76,626.32/x
3. Step 3: Cross multiply
   140,300.72x = 193,607.88 × 76,626.32
4. Step 4: Simplify right side
   140,300.72x = 14,835,459,367.40
5. Step 5: Solve for x
   x = 14,835,459,367.40/140,300.72
6. Step 6: Final answer
   x = 105,740.44