Finding the Fourth Proportional to 10,976,296.50, 15,152,554.58 and 7,715,906.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,976,296.50 : 15,152,554.58 = 7,715,906.10 : x
2. Step 2: Convert to fraction form
   10,976,296.50/15,152,554.58 = 7,715,906.10/x
3. Step 3: Cross multiply
   10,976,296.50x = 15,152,554.58 × 7,715,906.10
4. Step 4: Simplify right side
   10,976,296.50x = 116,915,688,314,404.94
5. Step 5: Solve for x
   x = 116,915,688,314,404.94/10,976,296.50
6. Step 6: Final answer
   x = 10,651,651.79