Finding the Fourth Proportional to 139,063.94, 191,810.31 and 134,434.48

Step by Step Solution

1. Step 1: Write the proportion equation
   139,063.94 : 191,810.31 = 134,434.48 : x
2. Step 2: Convert to fraction form
   139,063.94/191,810.31 = 134,434.48/x
3. Step 3: Cross multiply
   139,063.94x = 191,810.31 × 134,434.48
4. Step 4: Simplify right side
   139,063.94x = 25,785,919,283.49
5. Step 5: Solve for x
   x = 25,785,919,283.49/139,063.94
6. Step 6: Final answer
   x = 185,424.92