Finding the Fourth Proportional to 213,645.83, 294,819.27 and 116,830.48

Step by Step Solution

1. Step 1: Write the proportion equation
   213,645.83 : 294,819.27 = 116,830.48 : x
2. Step 2: Convert to fraction form
   213,645.83/294,819.27 = 116,830.48/x
3. Step 3: Cross multiply
   213,645.83x = 294,819.27 × 116,830.48
4. Step 4: Simplify right side
   213,645.83x = 34,443,876,827.35
5. Step 5: Solve for x
   x = 34,443,876,827.35/213,645.83
6. Step 6: Final answer
   x = 161,219.51