Finding the Fourth Proportional to 6,995,667.84, 9,658,478.88 and 5,709,575.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,995,667.84 : 9,658,478.88 = 5,709,575.76 : x
2. Step 2: Convert to fraction form
   6,995,667.84/9,658,478.88 = 5,709,575.76/x
3. Step 3: Cross multiply
   6,995,667.84x = 9,658,478.88 × 5,709,575.76
4. Step 4: Simplify right side
   6,995,667.84x = 55,145,816,891,719.95
5. Step 5: Solve for x
   x = 55,145,816,891,719.95/6,995,667.84
6. Step 6: Final answer
   x = 7,882,852.38