Finding the Fourth Proportional to 290,016.32, 400,132.84 and 169,071.98

Step by Step Solution

1. Step 1: Write the proportion equation
   290,016.32 : 400,132.84 = 169,071.98 : x
2. Step 2: Convert to fraction form
   290,016.32/400,132.84 = 169,071.98/x
3. Step 3: Cross multiply
   290,016.32x = 400,132.84 × 169,071.98
4. Step 4: Simplify right side
   290,016.32x = 67,651,251,521.82
5. Step 5: Solve for x
   x = 67,651,251,521.82/290,016.32
6. Step 6: Final answer
   x = 233,267.05