Finding the Fourth Proportional to 788,477.50, 1,088,293.35 and 449,145.82

Step by Step Solution

1. Step 1: Write the proportion equation
   788,477.50 : 1,088,293.35 = 449,145.82 : x
2. Step 2: Convert to fraction form
   788,477.50/1,088,293.35 = 449,145.82/x
3. Step 3: Cross multiply
   788,477.50x = 1,088,293.35 × 449,145.82
4. Step 4: Simplify right side
   788,477.50x = 488,802,409,086.30
5. Step 5: Solve for x
   x = 488,802,409,086.30/788,477.50
6. Step 6: Final answer
   x = 619,931.97