Finding the Fourth Proportional to 442,300.26, 610,182.15 and 281,068.98

Step by Step Solution

1. Step 1: Write the proportion equation
   442,300.26 : 610,182.15 = 281,068.98 : x
2. Step 2: Convert to fraction form
   442,300.26/610,182.15 = 281,068.98/x
3. Step 3: Cross multiply
   442,300.26x = 610,182.15 × 281,068.98
4. Step 4: Simplify right side
   442,300.26x = 171,503,274,514.71
5. Step 5: Solve for x
   x = 171,503,274,514.71/442,300.26
6. Step 6: Final answer
   x = 387,753.05