Finding the Fourth Proportional to 57,139.96, 78,826.96 and 37,003.33

Step by Step Solution

1. Step 1: Write the proportion equation
   57,139.96 : 78,826.96 = 37,003.33 : x
2. Step 2: Convert to fraction form
   57,139.96/78,826.96 = 37,003.33/x
3. Step 3: Cross multiply
   57,139.96x = 78,826.96 × 37,003.33
4. Step 4: Simplify right side
   57,139.96x = 2,916,860,013.78
5. Step 5: Solve for x
   x = 2,916,860,013.78/57,139.96
6. Step 6: Final answer
   x = 51,047.64