Finding the Fourth Proportional to 1,039,754.34, 1,559,780.10 and 320,156.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,754.34 : 1,559,780.10 = 320,156.82 : x
2. Step 2: Convert to fraction form
   1,039,754.34/1,559,780.10 = 320,156.82/x
3. Step 3: Cross multiply
   1,039,754.34x = 1,559,780.10 × 320,156.82
4. Step 4: Simplify right side
   1,039,754.34x = 499,374,236,715.28
5. Step 5: Solve for x
   x = 499,374,236,715.28/1,039,754.34
6. Step 6: Final answer
   x = 480,280.98