Finding the Fourth Proportional to 1,969,196.59, 2,953,795.40 and 621,464.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969,196.59 : 2,953,795.40 = 621,464.68 : x
2. Step 2: Convert to fraction form
   1,969,196.59/2,953,795.40 = 621,464.68/x
3. Step 3: Cross multiply
   1,969,196.59x = 2,953,795.40 × 621,464.68
4. Step 4: Simplify right side
   1,969,196.59x = 1,835,679,513,046.47
5. Step 5: Solve for x
   x = 1,835,679,513,046.47/1,969,196.59
6. Step 6: Final answer
   x = 932,197.18