Finding the Fourth Proportional to 188,507.76, 260,156.52 and 103,640.82

Step by Step Solution

1. Step 1: Write the proportion equation
   188,507.76 : 260,156.52 = 103,640.82 : x
2. Step 2: Convert to fraction form
   188,507.76/260,156.52 = 103,640.82/x
3. Step 3: Cross multiply
   188,507.76x = 260,156.52 × 103,640.82
4. Step 4: Simplify right side
   188,507.76x = 26,962,835,061.15
5. Step 5: Solve for x
   x = 26,962,835,061.15/188,507.76
6. Step 6: Final answer
   x = 143,033.02