Finding the Fourth Proportional to 10,215,200.28, 14,097,085.02 and 5,631,685.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,215,200.28 : 14,097,085.02 = 5,631,685.68 : x
2. Step 2: Convert to fraction form
   10,215,200.28/14,097,085.02 = 5,631,685.68/x
3. Step 3: Cross multiply
   10,215,200.28x = 14,097,085.02 × 5,631,685.68
4. Step 4: Simplify right side
   10,215,200.28x = 79,390,351,836,876.50
5. Step 5: Solve for x
   x = 79,390,351,836,876.50/10,215,200.28
6. Step 6: Final answer
   x = 7,771,786.13