Finding the Fourth Proportional to 218,941.52, 302,139.76 and 118,339.52

Step by Step Solution

1. Step 1: Write the proportion equation
   218,941.52 : 302,139.76 = 118,339.52 : x
2. Step 2: Convert to fraction form
   218,941.52/302,139.76 = 118,339.52/x
3. Step 3: Cross multiply
   218,941.52x = 302,139.76 × 118,339.52
4. Step 4: Simplify right side
   218,941.52x = 35,755,074,171.32
5. Step 5: Solve for x
   x = 35,755,074,171.32/218,941.52
6. Step 6: Final answer
   x = 163,308.79