Finding the Fourth Proportional to 277,036.89, 413,552.02 and 243,406.63

Step by Step Solution

1. Step 1: Write the proportion equation
   277,036.89 : 413,552.02 = 243,406.63 : x
2. Step 2: Convert to fraction form
   277,036.89/413,552.02 = 243,406.63/x
3. Step 3: Cross multiply
   277,036.89x = 413,552.02 × 243,406.63
4. Step 4: Simplify right side
   277,036.89x = 100,661,302,300.86
5. Step 5: Solve for x
   x = 100,661,302,300.86/277,036.89
6. Step 6: Final answer
   x = 363,349.82