Finding the Fourth Proportional to 76,626.17, 105,741.42 and 42,167.67

Step by Step Solution

1. Step 1: Write the proportion equation
   76,626.17 : 105,741.42 = 42,167.67 : x
2. Step 2: Convert to fraction form
   76,626.17/105,741.42 = 42,167.67/x
3. Step 3: Cross multiply
   76,626.17x = 105,741.42 × 42,167.67
4. Step 4: Simplify right side
   76,626.17x = 4,458,869,303.89
5. Step 5: Solve for x
   x = 4,458,869,303.89/76,626.17
6. Step 6: Final answer
   x = 58,189.91