Finding the Fourth Proportional to 5,286,429.56, 7,295,131.08 and 3,111,100.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,286,429.56 : 7,295,131.08 = 3,111,100.88 : x
2. Step 2: Convert to fraction form
   5,286,429.56/7,295,131.08 = 3,111,100.88/x
3. Step 3: Cross multiply
   5,286,429.56x = 7,295,131.08 × 3,111,100.88
4. Step 4: Simplify right side
   5,286,429.56x = 22,695,888,722,703.35
5. Step 5: Solve for x
   x = 22,695,888,722,703.35/5,286,429.56
6. Step 6: Final answer
   x = 4,293,235.82