Finding the Fourth Proportional to 10,914,086.81, 16,366,376.68 and 3,131,283.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,914,086.81 : 16,366,376.68 = 3,131,283.72 : x
2. Step 2: Convert to fraction form
   10,914,086.81/16,366,376.68 = 3,131,283.72/x
3. Step 3: Cross multiply
   10,914,086.81x = 16,366,376.68 × 3,131,283.72
4. Step 4: Simplify right side
   10,914,086.81x = 51,247,768,924,630.82
5. Step 5: Solve for x
   x = 51,247,768,924,630.82/10,914,086.81
6. Step 6: Final answer
   x = 4,695,561.78