Finding the Fourth Proportional to 139,063.43, 191,809.62 and 134,433.98

Step by Step Solution

1. Step 1: Write the proportion equation
   139,063.43 : 191,809.62 = 134,433.98 : x
2. Step 2: Convert to fraction form
   139,063.43/191,809.62 = 134,433.98/x
3. Step 3: Cross multiply
   139,063.43x = 191,809.62 × 134,433.98
4. Step 4: Simplify right side
   139,063.43x = 25,785,730,379.13
5. Step 5: Solve for x
   x = 25,785,730,379.13/139,063.43
6. Step 6: Final answer
   x = 185,424.23