Finding the Fourth Proportional to 442,300.34, 662,324.89 and 292,315.88

Step by Step Solution

1. Step 1: Write the proportion equation
   442,300.34 : 662,324.89 = 292,315.88 : x
2. Step 2: Convert to fraction form
   442,300.34/662,324.89 = 292,315.88/x
3. Step 3: Cross multiply
   442,300.34x = 662,324.89 × 292,315.88
4. Step 4: Simplify right side
   442,300.34x = 193,608,080,776.77
5. Step 5: Solve for x
   x = 193,608,080,776.77/442,300.34
6. Step 6: Final answer
   x = 437,729.89