Finding the Fourth Proportional to 1,336.96, 2,005.98 and 471.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.96 : 2,005.98 = 471.34 : x
2. Step 2: Convert to fraction form
   1,336.96/2,005.98 = 471.34/x
3. Step 3: Cross multiply
   1,336.96x = 2,005.98 × 471.34
4. Step 4: Simplify right side
   1,336.96x = 945,498.61
5. Step 5: Solve for x
   x = 945,498.61/1,336.96
6. Step 6: Final answer
   x = 707.20