Finding the Fourth Proportional to 3,308,800.82, 4,963,546.35 and 912,645.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,308,800.82 : 4,963,546.35 = 912,645.86 : x
2. Step 2: Convert to fraction form
   3,308,800.82/4,963,546.35 = 912,645.86/x
3. Step 3: Cross multiply
   3,308,800.82x = 4,963,546.35 × 912,645.86
4. Step 4: Simplify right side
   3,308,800.82x = 4,529,960,002,427.88
5. Step 5: Solve for x
   x = 4,529,960,002,427.88/3,308,800.82
6. Step 6: Final answer
   x = 1,369,063.98