Finding the Fourth Proportional to 876,026.34, 1,208,933.91 and 493,978.50

Step by Step Solution

1. Step 1: Write the proportion equation
   876,026.34 : 1,208,933.91 = 493,978.50 : x
2. Step 2: Convert to fraction form
   876,026.34/1,208,933.91 = 493,978.50/x
3. Step 3: Cross multiply
   876,026.34x = 1,208,933.91 × 493,978.50
4. Step 4: Simplify right side
   876,026.34x = 597,187,359,460.94
5. Step 5: Solve for x
   x = 597,187,359,460.94/876,026.34
6. Step 6: Final answer
   x = 681,700.23