Finding the Fourth Proportional to 213,892.94, 320,824.89 and 73,749.98

Step by Step Solution

1. Step 1: Write the proportion equation
   213,892.94 : 320,824.89 = 73,749.98 : x
2. Step 2: Convert to fraction form
   213,892.94/320,824.89 = 73,749.98/x
3. Step 3: Cross multiply
   213,892.94x = 320,824.89 × 73,749.98
4. Step 4: Simplify right side
   213,892.94x = 23,660,829,221.00
5. Step 5: Solve for x
   x = 23,660,829,221.00/213,892.94
6. Step 6: Final answer
   x = 110,619.96