Finding the Fourth Proportional to 116,775.76, 161,150.72 and 66,474.76

Step by Step Solution

1. Step 1: Write the proportion equation
   116,775.76 : 161,150.72 = 66,474.76 : x
2. Step 2: Convert to fraction form
   116,775.76/161,150.72 = 66,474.76/x
3. Step 3: Cross multiply
   116,775.76x = 161,150.72 × 66,474.76
4. Step 4: Simplify right side
   116,775.76x = 10,712,455,435.83
5. Step 5: Solve for x
   x = 10,712,455,435.83/116,775.76
6. Step 6: Final answer
   x = 91,735.27