Finding the Fourth Proportional to 188,875.89, 260,640.82 and 103,987.49

Step by Step Solution

1. Step 1: Write the proportion equation
   188,875.89 : 260,640.82 = 103,987.49 : x
2. Step 2: Convert to fraction form
   188,875.89/260,640.82 = 103,987.49/x
3. Step 3: Cross multiply
   188,875.89x = 260,640.82 × 103,987.49
4. Step 4: Simplify right side
   188,875.89x = 27,103,384,663.34
5. Step 5: Solve for x
   x = 27,103,384,663.34/188,875.89
6. Step 6: Final answer
   x = 143,498.38