Finding the Fourth Proportional to 8,290,689.57, 12,443,021.79 and 3,501,815.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,290,689.57 : 12,443,021.79 = 3,501,815.67 : x
2. Step 2: Convert to fraction form
   8,290,689.57/12,443,021.79 = 3,501,815.67/x
3. Step 3: Cross multiply
   8,290,689.57x = 12,443,021.79 × 3,501,815.67
4. Step 4: Simplify right side
   8,290,689.57x = 43,573,168,686,373.45
5. Step 5: Solve for x
   x = 43,573,168,686,373.45/8,290,689.57
6. Step 6: Final answer
   x = 5,255,674.85