Finding the Fourth Proportional to 116,952.53, 161,412.66 and 76,782.83

Step by Step Solution

1. Step 1: Write the proportion equation
   116,952.53 : 161,412.66 = 76,782.83 : x
2. Step 2: Convert to fraction form
   116,952.53/161,412.66 = 76,782.83/x
3. Step 3: Cross multiply
   116,952.53x = 161,412.66 × 76,782.83
4. Step 4: Simplify right side
   116,952.53x = 12,393,720,025.56
5. Step 5: Solve for x
   x = 12,393,720,025.56/116,952.53
6. Step 6: Final answer
   x = 105,972.23