Finding the Fourth Proportional to 76,840.76, 106,026.62 and 42,846.54

Step by Step Solution

1. Step 1: Write the proportion equation
   76,840.76 : 106,026.62 = 42,846.54 : x
2. Step 2: Convert to fraction form
   76,840.76/106,026.62 = 42,846.54/x
3. Step 3: Cross multiply
   76,840.76x = 106,026.62 × 42,846.54
4. Step 4: Simplify right side
   76,840.76x = 4,542,873,814.89
5. Step 5: Solve for x
   x = 4,542,873,814.89/76,840.76
6. Step 6: Final answer
   x = 59,120.63