Finding the Fourth Proportional to 200,488.32, 276,630.82 and 118,842.31

Step by Step Solution

1. Step 1: Write the proportion equation
   200,488.32 : 276,630.82 = 118,842.31 : x
2. Step 2: Convert to fraction form
   200,488.32/276,630.82 = 118,842.31/x
3. Step 3: Cross multiply
   200,488.32x = 276,630.82 × 118,842.31
4. Step 4: Simplify right side
   200,488.32x = 32,875,445,071.78
5. Step 5: Solve for x
   x = 32,875,445,071.78/200,488.32
6. Step 6: Final answer
   x = 163,976.86