Finding the Fourth Proportional to 163,003.05, 224,948.88 and 91,384.25

Step by Step Solution

1. Step 1: Write the proportion equation
   163,003.05 : 224,948.88 = 91,384.25 : x
2. Step 2: Convert to fraction form
   163,003.05/224,948.88 = 91,384.25/x
3. Step 3: Cross multiply
   163,003.05x = 224,948.88 × 91,384.25
4. Step 4: Simplify right side
   163,003.05x = 20,556,783,562.40
5. Step 5: Solve for x
   x = 20,556,783,562.40/163,003.05
6. Step 6: Final answer
   x = 126,112.88