Finding the Fourth Proportional to 277,019.82, 382,250.52 and 156,166.20

Step by Step Solution

1. Step 1: Write the proportion equation
   277,019.82 : 382,250.52 = 156,166.20 : x
2. Step 2: Convert to fraction form
   277,019.82/382,250.52 = 156,166.20/x
3. Step 3: Cross multiply
   277,019.82x = 382,250.52 × 156,166.20
4. Step 4: Simplify right side
   277,019.82x = 59,694,611,156.42
5. Step 5: Solve for x
   x = 59,694,611,156.42/277,019.82
6. Step 6: Final answer
   x = 215,488.59