Finding the Fourth Proportional to 57,109.50, 78,845.67 and 37,272.06

Step by Step Solution

1. Step 1: Write the proportion equation
   57,109.50 : 78,845.67 = 37,272.06 : x
2. Step 2: Convert to fraction form
   57,109.50/78,845.67 = 37,272.06/x
3. Step 3: Cross multiply
   57,109.50x = 78,845.67 × 37,272.06
4. Step 4: Simplify right side
   57,109.50x = 2,938,740,542.98
5. Step 5: Solve for x
   x = 2,938,740,542.98/57,109.50
6. Step 6: Final answer
   x = 51,458.00