Finding the Fourth Proportional to 76,796.55, 105,966.39 and 42,797.59

Step by Step Solution

1. Step 1: Write the proportion equation
   76,796.55 : 105,966.39 = 42,797.59 : x
2. Step 2: Convert to fraction form
   76,796.55/105,966.39 = 42,797.59/x
3. Step 3: Cross multiply
   76,796.55x = 105,966.39 × 42,797.59
4. Step 4: Simplify right side
   76,796.55x = 4,535,106,113.00
5. Step 5: Solve for x
   x = 4,535,106,113.00/76,796.55
6. Step 6: Final answer
   x = 59,053.51