Finding the Fourth Proportional to 8,436,733.20, 12,659,706.82 and 3,578,283.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,436,733.20 : 12,659,706.82 = 3,578,283.98 : x
2. Step 2: Convert to fraction form
   8,436,733.20/12,659,706.82 = 3,578,283.98/x
3. Step 3: Cross multiply
   8,436,733.20x = 12,659,706.82 × 3,578,283.98
4. Step 4: Simplify right side
   8,436,733.20x = 45,300,026,105,502.74
5. Step 5: Solve for x
   x = 45,300,026,105,502.74/8,436,733.20
6. Step 6: Final answer
   x = 5,369,379.95