Finding the Fourth Proportional to 456,061.31, 629,360.45 and 252,117.49

Step by Step Solution

1. Step 1: Write the proportion equation
   456,061.31 : 629,360.45 = 252,117.49 : x
2. Step 2: Convert to fraction form
   456,061.31/629,360.45 = 252,117.49/x
3. Step 3: Cross multiply
   456,061.31x = 629,360.45 × 252,117.49
4. Step 4: Simplify right side
   456,061.31x = 158,672,774,125.28
5. Step 5: Solve for x
   x = 158,672,774,125.28/456,061.31
6. Step 6: Final answer
   x = 347,919.83