Finding the Fourth Proportional to 20,710,984.28, 31,066,460.00 and 5,564,915.78

Step by Step Solution

1. Step 1: Write the proportion equation
   20,710,984.28 : 31,066,460.00 = 5,564,915.78 : x
2. Step 2: Convert to fraction form
   20,710,984.28/31,066,460.00 = 5,564,915.78/x
3. Step 3: Cross multiply
   20,710,984.28x = 31,066,460.00 × 5,564,915.78
4. Step 4: Simplify right side
   20,710,984.28x = 172,882,233,299,581.94
5. Step 5: Solve for x
   x = 172,882,233,299,581.94/20,710,984.28
6. Step 6: Final answer
   x = 8,347,369.25