Finding the Fourth Proportional to 10,509,424.59, 15,771,211.71 and 3,686,061.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,509,424.59 : 15,771,211.71 = 3,686,061.09 : x
2. Step 2: Convert to fraction form
   10,509,424.59/15,771,211.71 = 3,686,061.09/x
3. Step 3: Cross multiply
   10,509,424.59x = 15,771,211.71 × 3,686,061.09
4. Step 4: Simplify right side
   10,509,424.59x = 58,133,649,826,383.37
5. Step 5: Solve for x
   x = 58,133,649,826,383.37/10,509,424.59
6. Step 6: Final answer
   x = 5,531,573.05