Finding the Fourth Proportional to 381,258.72, 571,890.24 and 100,773

Step by Step Solution

1. Step 1: Write the proportion equation
   381,258.72 : 571,890.24 = 100,773 : x
2. Step 2: Convert to fraction form
   381,258.72/571,890.24 = 100,773/x
3. Step 3: Cross multiply
   381,258.72x = 571,890.24 × 100,773
4. Step 4: Simplify right side
   381,258.72x = 57,631,095,155.52
5. Step 5: Solve for x
   x = 57,631,095,155.52/381,258.72
6. Step 6: Final answer
   x = 151,160.07