Finding the Fourth Proportional to 788,978.34, 1,088,524.17 and 449,206.02

Step by Step Solution

1. Step 1: Write the proportion equation
   788,978.34 : 1,088,524.17 = 449,206.02 : x
2. Step 2: Convert to fraction form
   788,978.34/1,088,524.17 = 449,206.02/x
3. Step 3: Cross multiply
   788,978.34x = 1,088,524.17 × 449,206.02
4. Step 4: Simplify right side
   788,978.34x = 488,971,610,079.50
5. Step 5: Solve for x
   x = 488,971,610,079.50/788,978.34
6. Step 6: Final answer
   x = 619,752.89