Finding the Fourth Proportional to 1,300,117.33, 1,950,383.76 and 401,347.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300,117.33 : 1,950,383.76 = 401,347.81 : x
2. Step 2: Convert to fraction form
   1,300,117.33/1,950,383.76 = 401,347.81/x
3. Step 3: Cross multiply
   1,300,117.33x = 1,950,383.76 × 401,347.81
4. Step 4: Simplify right side
   1,300,117.33x = 782,782,238,976.91
5. Step 5: Solve for x
   x = 782,782,238,976.91/1,300,117.33
6. Step 6: Final answer
   x = 602,085.85