Finding the Fourth Proportional to 188,061.48, 259,525.08 and 103,178.88

Step by Step Solution

1. Step 1: Write the proportion equation
   188,061.48 : 259,525.08 = 103,178.88 : x
2. Step 2: Convert to fraction form
   188,061.48/259,525.08 = 103,178.88/x
3. Step 3: Cross multiply
   188,061.48x = 259,525.08 × 103,178.88
4. Step 4: Simplify right side
   188,061.48x = 26,777,507,086.31
5. Step 5: Solve for x
   x = 26,777,507,086.31/188,061.48
6. Step 6: Final answer
   x = 142,386.98