Finding the Fourth Proportional to 880,460.82, 1,215,040.77 and 478,052.82

Step by Step Solution

1. Step 1: Write the proportion equation
   880,460.82 : 1,215,040.77 = 478,052.82 : x
2. Step 2: Convert to fraction form
   880,460.82/1,215,040.77 = 478,052.82/x
3. Step 3: Cross multiply
   880,460.82x = 1,215,040.77 × 478,052.82
4. Step 4: Simplify right side
   880,460.82x = 580,853,666,513.47
5. Step 5: Solve for x
   x = 580,853,666,513.47/880,460.82
6. Step 6: Final answer
   x = 659,715.52