Finding the Fourth Proportional to 563,443.98, 845,196.75 and 142,723.50

Step by Step Solution

1. Step 1: Write the proportion equation
   563,443.98 : 845,196.75 = 142,723.50 : x
2. Step 2: Convert to fraction form
   563,443.98/845,196.75 = 142,723.50/x
3. Step 3: Cross multiply
   563,443.98x = 845,196.75 × 142,723.50
4. Step 4: Simplify right side
   563,443.98x = 120,629,438,348.63
5. Step 5: Solve for x
   x = 120,629,438,348.63/563,443.98
6. Step 6: Final answer
   x = 214,093.05