Finding the Fourth Proportional to 1,298,554.25, 1,945,821.76 and 899,973.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,298,554.25 : 1,945,821.76 = 899,973.50 : x
2. Step 2: Convert to fraction form
   1,298,554.25/1,945,821.76 = 899,973.50/x
3. Step 3: Cross multiply
   1,298,554.25x = 1,945,821.76 × 899,973.50
4. Step 4: Simplify right side
   1,298,554.25x = 1,751,188,007,744.32
5. Step 5: Solve for x
   x = 1,751,188,007,744.32/1,298,554.25
6. Step 6: Final answer
   x = 1,348,567.47