Finding the Fourth Proportional to 546,909.72, 820,388.88 and 167,802.72

Step by Step Solution

1. Step 1: Write the proportion equation
   546,909.72 : 820,388.88 = 167,802.72 : x
2. Step 2: Convert to fraction form
   546,909.72/820,388.88 = 167,802.72/x
3. Step 3: Cross multiply
   546,909.72x = 820,388.88 × 167,802.72
4. Step 4: Simplify right side
   546,909.72x = 137,663,485,521.75
5. Step 5: Solve for x
   x = 137,663,485,521.75/546,909.72
6. Step 6: Final answer
   x = 251,711.54