Finding the Fourth Proportional to 451,152, 676,773.72 and 166,917.60

Step by Step Solution

1. Step 1: Write the proportion equation
   451,152 : 676,773.72 = 166,917.60 : x
2. Step 2: Convert to fraction form
   451,152/676,773.72 = 166,917.60/x
3. Step 3: Cross multiply
   451,152x = 676,773.72 × 166,917.60
4. Step 4: Simplify right side
   451,152x = 112,965,445,085.47
5. Step 5: Solve for x
   x = 112,965,445,085.47/451,152
6. Step 6: Final answer
   x = 250,393.32