Finding the Fourth Proportional to 215,477.58, 297,367.83 and 119,978.22

Step by Step Solution

1. Step 1: Write the proportion equation
   215,477.58 : 297,367.83 = 119,978.22 : x
2. Step 2: Convert to fraction form
   215,477.58/297,367.83 = 119,978.22/x
3. Step 3: Cross multiply
   215,477.58x = 297,367.83 × 119,978.22
4. Step 4: Simplify right side
   215,477.58x = 35,677,662,928.66
5. Step 5: Solve for x
   x = 35,677,662,928.66/215,477.58
6. Step 6: Final answer
   x = 165,574.83