Finding the Fourth Proportional to 970,665.30, 1,339,522.56 and 563,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   970,665.30 : 1,339,522.56 = 563,008.50 : x
2. Step 2: Convert to fraction form
   970,665.30/1,339,522.56 = 563,008.50/x
3. Step 3: Cross multiply
   970,665.30x = 1,339,522.56 × 563,008.50
4. Step 4: Simplify right side
   970,665.30x = 754,162,587,221.76
5. Step 5: Solve for x
   x = 754,162,587,221.76/970,665.30
6. Step 6: Final answer
   x = 776,954.31