Finding the Fourth Proportional to 703,061.27, 970,219.72 and 380,763.99

Step by Step Solution

1. Step 1: Write the proportion equation
   703,061.27 : 970,219.72 = 380,763.99 : x
2. Step 2: Convert to fraction form
   703,061.27/970,219.72 = 380,763.99/x
3. Step 3: Cross multiply
   703,061.27x = 970,219.72 × 380,763.99
4. Step 4: Simplify right side
   703,061.27x = 369,424,732,239.84
5. Step 5: Solve for x
   x = 369,424,732,239.84/703,061.27
6. Step 6: Final answer
   x = 525,451.69