Finding the Fourth Proportional to 117,189.72, 161,693.82 and 69,434.82

Step by Step Solution

1. Step 1: Write the proportion equation
   117,189.72 : 161,693.82 = 69,434.82 : x
2. Step 2: Convert to fraction form
   117,189.72/161,693.82 = 69,434.82/x
3. Step 3: Cross multiply
   117,189.72x = 161,693.82 × 69,434.82
4. Step 4: Simplify right side
   117,189.72x = 11,227,181,286.81
5. Step 5: Solve for x
   x = 11,227,181,286.81/117,189.72
6. Step 6: Final answer
   x = 95,803.47