Finding the Fourth Proportional to 320,111.21, 441,752.56 and 176,870.24

Step by Step Solution

1. Step 1: Write the proportion equation
   320,111.21 : 441,752.56 = 176,870.24 : x
2. Step 2: Convert to fraction form
   320,111.21/441,752.56 = 176,870.24/x
3. Step 3: Cross multiply
   320,111.21x = 441,752.56 × 176,870.24
4. Step 4: Simplify right side
   320,111.21x = 78,132,881,307.81
5. Step 5: Solve for x
   x = 78,132,881,307.81/320,111.21
6. Step 6: Final answer
   x = 244,080.43