Finding the Fourth Proportional to 1,538,429.82, 2,307,646.37 and 401,191.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,429.82 : 2,307,646.37 = 401,191.03 : x
2. Step 2: Convert to fraction form
   1,538,429.82/2,307,646.37 = 401,191.03/x
3. Step 3: Cross multiply
   1,538,429.82x = 2,307,646.37 × 401,191.03
4. Step 4: Simplify right side
   1,538,429.82x = 925,807,024,056.06
5. Step 5: Solve for x
   x = 925,807,024,056.06/1,538,429.82
6. Step 6: Final answer
   x = 601,786.97