Finding the Fourth Proportional to 10,355,291.35, 14,290,317.80 and 5,771,514.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,355,291.35 : 14,290,317.80 = 5,771,514.31 : x
2. Step 2: Convert to fraction form
   10,355,291.35/14,290,317.80 = 5,771,514.31/x
3. Step 3: Cross multiply
   10,355,291.35x = 14,290,317.80 × 5,771,514.31
4. Step 4: Simplify right side
   10,355,291.35x = 82,476,773,677,147.72
5. Step 5: Solve for x
   x = 82,476,773,677,147.72/10,355,291.35
6. Step 6: Final answer
   x = 7,964,698.52