Finding the Fourth Proportional to 260,166.72, 359,030.16 and 140,934.72

Step by Step Solution

1. Step 1: Write the proportion equation
   260,166.72 : 359,030.16 = 140,934.72 : x
2. Step 2: Convert to fraction form
   260,166.72/359,030.16 = 140,934.72/x
3. Step 3: Cross multiply
   260,166.72x = 359,030.16 × 140,934.72
4. Step 4: Simplify right side
   260,166.72x = 50,599,815,071.16
5. Step 5: Solve for x
   x = 50,599,815,071.16/260,166.72
6. Step 6: Final answer
   x = 194,489.96