Finding the Fourth Proportional to 56,945.34, 78,584.94 and 31,451.00

Step by Step Solution

1. Step 1: Write the proportion equation
   56,945.34 : 78,584.94 = 31,451.00 : x
2. Step 2: Convert to fraction form
   56,945.34/78,584.94 = 31,451.00/x
3. Step 3: Cross multiply
   56,945.34x = 78,584.94 × 31,451.00
4. Step 4: Simplify right side
   56,945.34x = 2,471,574,555.02
5. Step 5: Solve for x
   x = 2,471,574,555.02/56,945.34
6. Step 6: Final answer
   x = 43,402.58