Finding the Fourth Proportional to 891,632.55, 1,230,452.71 and 509,667.54

Step by Step Solution

1. Step 1: Write the proportion equation
   891,632.55 : 1,230,452.71 = 509,667.54 : x
2. Step 2: Convert to fraction form
   891,632.55/1,230,452.71 = 509,667.54/x
3. Step 3: Cross multiply
   891,632.55x = 1,230,452.71 × 509,667.54
4. Step 4: Simplify right side
   891,632.55x = 627,121,805,792.03
5. Step 5: Solve for x
   x = 627,121,805,792.03/891,632.55
6. Step 6: Final answer
   x = 703,341.09