Finding the Fourth Proportional to 188,389.83, 259,962.89 and 107,798.88

Step by Step Solution

1. Step 1: Write the proportion equation
   188,389.83 : 259,962.89 = 107,798.88 : x
2. Step 2: Convert to fraction form
   188,389.83/259,962.89 = 107,798.88/x
3. Step 3: Cross multiply
   188,389.83x = 259,962.89 × 107,798.88
4. Step 4: Simplify right side
   188,389.83x = 28,023,707,844.57
5. Step 5: Solve for x
   x = 28,023,707,844.57/188,389.83
6. Step 6: Final answer
   x = 148,753.83