Finding the Fourth Proportional to 286,799.52, 429,300.72 and 185,463.12

Step by Step Solution

1. Step 1: Write the proportion equation
   286,799.52 : 429,300.72 = 185,463.12 : x
2. Step 2: Convert to fraction form
   286,799.52/429,300.72 = 185,463.12/x
3. Step 3: Cross multiply
   286,799.52x = 429,300.72 × 185,463.12
4. Step 4: Simplify right side
   286,799.52x = 79,619,450,949.45
5. Step 5: Solve for x
   x = 79,619,450,949.45/286,799.52
6. Step 6: Final answer
   x = 277,613.61