Finding the Fourth Proportional to 116,900.20, 161,301.54 and 69,155.56

Step by Step Solution

1. Step 1: Write the proportion equation
   116,900.20 : 161,301.54 = 69,155.56 : x
2. Step 2: Convert to fraction form
   116,900.20/161,301.54 = 69,155.56/x
3. Step 3: Cross multiply
   116,900.20x = 161,301.54 × 69,155.56
4. Step 4: Simplify right side
   116,900.20x = 11,154,898,327.56
5. Step 5: Solve for x
   x = 11,154,898,327.56/116,900.20
6. Step 6: Final answer
   x = 95,422.41