Finding the Fourth Proportional to 1,457,111.25, 2,010,813.53 and 853,499.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,457,111.25 : 2,010,813.53 = 853,499.25 : x
2. Step 2: Convert to fraction form
   1,457,111.25/2,010,813.53 = 853,499.25/x
3. Step 3: Cross multiply
   1,457,111.25x = 2,010,813.53 × 853,499.25
4. Step 4: Simplify right side
   1,457,111.25x = 1,716,227,835,477.36
5. Step 5: Solve for x
   x = 1,716,227,835,477.36/1,457,111.25
6. Step 6: Final answer
   x = 1,177,828.97