Finding the Fourth Proportional to 1,333,066.31, 1,999,806.84 and 434,298.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333,066.31 : 1,999,806.84 = 434,298.83 : x
2. Step 2: Convert to fraction form
   1,333,066.31/1,999,806.84 = 434,298.83/x
3. Step 3: Cross multiply
   1,333,066.31x = 1,999,806.84 × 434,298.83
4. Step 4: Simplify right side
   1,333,066.31x = 868,513,770,838.00
5. Step 5: Solve for x
   x = 868,513,770,838.00/1,333,066.31
6. Step 6: Final answer
   x = 651,515.81