Finding the Fourth Proportional to 219,300.91, 302,636.16 and 118,698.91

Step by Step Solution

1. Step 1: Write the proportion equation
   219,300.91 : 302,636.16 = 118,698.91 : x
2. Step 2: Convert to fraction form
   219,300.91/302,636.16 = 118,698.91/x
3. Step 3: Cross multiply
   219,300.91x = 302,636.16 × 118,698.91
4. Step 4: Simplify right side
   219,300.91x = 35,922,582,318.59
5. Step 5: Solve for x
   x = 35,922,582,318.59/219,300.91
6. Step 6: Final answer
   x = 163,804.99