Finding the Fourth Proportional to 1,148,971.50, 1,724,244.71 and 401,017.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,148,971.50 : 1,724,244.71 = 401,017.50 : x
2. Step 2: Convert to fraction form
   1,148,971.50/1,724,244.71 = 401,017.50/x
3. Step 3: Cross multiply
   1,148,971.50x = 1,724,244.71 × 401,017.50
4. Step 4: Simplify right side
   1,148,971.50x = 691,452,300,987.34
5. Step 5: Solve for x
   x = 691,452,300,987.34/1,148,971.50
6. Step 6: Final answer
   x = 601,801.09