Finding the Fourth Proportional to 161,106.91, 241,527.31 and 71,085.53

Step by Step Solution

1. Step 1: Write the proportion equation
   161,106.91 : 241,527.31 = 71,085.53 : x
2. Step 2: Convert to fraction form
   161,106.91/241,527.31 = 71,085.53/x
3. Step 3: Cross multiply
   161,106.91x = 241,527.31 × 71,085.53
4. Step 4: Simplify right side
   161,106.91x = 17,169,096,840.82
5. Step 5: Solve for x
   x = 17,169,096,840.82/161,106.91
6. Step 6: Final answer
   x = 106,569.59