Finding the Fourth Proportional to 76,344.06, 105,346.06 and 42,343.94

Step by Step Solution

1. Step 1: Write the proportion equation
   76,344.06 : 105,346.06 = 42,343.94 : x
2. Step 2: Convert to fraction form
   76,344.06/105,346.06 = 42,343.94/x
3. Step 3: Cross multiply
   76,344.06x = 105,346.06 × 42,343.94
4. Step 4: Simplify right side
   76,344.06x = 4,460,767,243.88
5. Step 5: Solve for x
   x = 4,460,767,243.88/76,344.06
6. Step 6: Final answer
   x = 58,429.79