Finding the Fourth Proportional to 57,189.67, 78,924.89 and 31,695.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,189.67 : 78,924.89 = 31,695.50 : x
2. Step 2: Convert to fraction form
   57,189.67/78,924.89 = 31,695.50/x
3. Step 3: Cross multiply
   57,189.67x = 78,924.89 × 31,695.50
4. Step 4: Simplify right side
   57,189.67x = 2,501,563,851.00
5. Step 5: Solve for x
   x = 2,501,563,851.00/57,189.67
6. Step 6: Final answer
   x = 43,741.53