Finding the Fourth Proportional to 5,342,061.69, 7,372,070.78 and 2,894,677.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,342,061.69 : 7,372,070.78 = 2,894,677.28 : x
2. Step 2: Convert to fraction form
   5,342,061.69/7,372,070.78 = 2,894,677.28/x
3. Step 3: Cross multiply
   5,342,061.69x = 7,372,070.78 × 2,894,677.28
4. Step 4: Simplify right side
   5,342,061.69x = 21,339,765,742,084.14
5. Step 5: Solve for x
   x = 21,339,765,742,084.14/5,342,061.69
6. Step 6: Final answer
   x = 3,994,668.53