Finding the Fourth Proportional to 78,796.04, 109,198.56 and 77,300.78

Step by Step Solution

1. Step 1: Write the proportion equation
   78,796.04 : 109,198.56 = 77,300.78 : x
2. Step 2: Convert to fraction form
   78,796.04/109,198.56 = 77,300.78/x
3. Step 3: Cross multiply
   78,796.04x = 109,198.56 × 77,300.78
4. Step 4: Simplify right side
   78,796.04x = 8,441,133,476.37
5. Step 5: Solve for x
   x = 8,441,133,476.37/78,796.04
6. Step 6: Final answer
   x = 107,126.37