Finding the Fourth Proportional to 10,355,290.35, 14,290,316.42 and 5,771,513.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,355,290.35 : 14,290,316.42 = 5,771,513.31 : x
2. Step 2: Convert to fraction form
   10,355,290.35/14,290,316.42 = 5,771,513.31/x
3. Step 3: Cross multiply
   10,355,290.35x = 14,290,316.42 × 5,771,513.31
4. Step 4: Simplify right side
   10,355,290.35x = 82,476,751,422,141.55
5. Step 5: Solve for x
   x = 82,476,751,422,141.55/10,355,290.35
6. Step 6: Final answer
   x = 7,964,697.14