Finding the Fourth Proportional to 76,795.30, 105,964.67 and 42,796.34

Step by Step Solution

1. Step 1: Write the proportion equation
   76,795.30 : 105,964.67 = 42,796.34 : x
2. Step 2: Convert to fraction form
   76,795.30/105,964.67 = 42,796.34/x
3. Step 3: Cross multiply
   76,795.30x = 105,964.67 × 42,796.34
4. Step 4: Simplify right side
   76,795.30x = 4,534,899,515.48
5. Step 5: Solve for x
   x = 4,534,899,515.48/76,795.30
6. Step 6: Final answer
   x = 59,051.78