Finding the Fourth Proportional to 8,423,978.72, 12,636,004.92 and 2,666,740.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,423,978.72 : 12,636,004.92 = 2,666,740.46 : x
2. Step 2: Convert to fraction form
   8,423,978.72/12,636,004.92 = 2,666,740.46/x
3. Step 3: Cross multiply
   8,423,978.72x = 12,636,004.92 × 2,666,740.46
4. Step 4: Simplify right side
   8,423,978.72x = 33,696,945,572,923.06
5. Step 5: Solve for x
   x = 33,696,945,572,923.06/8,423,978.72
6. Step 6: Final answer
   x = 4,000,122.35