Finding the Fourth Proportional to 1,333,067.31, 1,999,808.34 and 434,299.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333,067.31 : 1,999,808.34 = 434,299.83 : x
2. Step 2: Convert to fraction form
   1,333,067.31/1,999,808.34 = 434,299.83/x
3. Step 3: Cross multiply
   1,333,067.31x = 1,999,808.34 × 434,299.83
4. Step 4: Simplify right side
   1,333,067.31x = 868,516,422,094.58
5. Step 5: Solve for x
   x = 868,516,422,094.58/1,333,067.31
6. Step 6: Final answer
   x = 651,517.31