Finding the Fourth Proportional to 1,253,542.50, 1,881,060.93 and 454,886.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253,542.50 : 1,881,060.93 = 454,886.37 : x
2. Step 2: Convert to fraction form
   1,253,542.50/1,881,060.93 = 454,886.37/x
3. Step 3: Cross multiply
   1,253,542.50x = 1,881,060.93 × 454,886.37
4. Step 4: Simplify right side
   1,253,542.50x = 855,668,978,196.52
5. Step 5: Solve for x
   x = 855,668,978,196.52/1,253,542.50
6. Step 6: Final answer
   x = 682,600.69