Finding the Fourth Proportional to 260,224.50, 359,109.82 and 140,992.50

Step by Step Solution

1. Step 1: Write the proportion equation
   260,224.50 : 359,109.82 = 140,992.50 : x
2. Step 2: Convert to fraction form
   260,224.50/359,109.82 = 140,992.50/x
3. Step 3: Cross multiply
   260,224.50x = 359,109.82 × 140,992.50
4. Step 4: Simplify right side
   260,224.50x = 50,631,791,296.35
5. Step 5: Solve for x
   x = 50,631,791,296.35/260,224.50
6. Step 6: Final answer
   x = 194,569.66