Finding the Fourth Proportional to 140,858.86, 194,298.86 and 115,054.91

Step by Step Solution

1. Step 1: Write the proportion equation
   140,858.86 : 194,298.86 = 115,054.91 : x
2. Step 2: Convert to fraction form
   140,858.86/194,298.86 = 115,054.91/x
3. Step 3: Cross multiply
   140,858.86x = 194,298.86 × 115,054.91
4. Step 4: Simplify right side
   140,858.86x = 22,355,036,303.63
5. Step 5: Solve for x
   x = 22,355,036,303.63/140,858.86
6. Step 6: Final answer
   x = 158,705.23