Finding the Fourth Proportional to 9,966,774.88, 13,754,362.98 and 5,556,772

Step by Step Solution

1. Step 1: Write the proportion equation
   9,966,774.88 : 13,754,362.98 = 5,556,772 : x
2. Step 2: Convert to fraction form
   9,966,774.88/13,754,362.98 = 5,556,772/x
3. Step 3: Cross multiply
   9,966,774.88x = 13,754,362.98 × 5,556,772
4. Step 4: Simplify right side
   9,966,774.88x = 76,429,859,085,100.56
5. Step 5: Solve for x
   x = 76,429,859,085,100.56/9,966,774.88
6. Step 6: Final answer
   x = 7,668,464.47