Finding the Fourth Proportional to 187,969.53, 259,411.71 and 107,395.34

Step by Step Solution

1. Step 1: Write the proportion equation
   187,969.53 : 259,411.71 = 107,395.34 : x
2. Step 2: Convert to fraction form
   187,969.53/259,411.71 = 107,395.34/x
3. Step 3: Cross multiply
   187,969.53x = 259,411.71 × 107,395.34
4. Step 4: Simplify right side
   187,969.53x = 27,859,607,498.37
5. Step 5: Solve for x
   x = 27,859,607,498.37/187,969.53
6. Step 6: Final answer
   x = 148,213.42