Finding the Fourth Proportional to 56,773.04, 78,345.78 and 31,622

Step by Step Solution

1. Step 1: Write the proportion equation
   56,773.04 : 78,345.78 = 31,622 : x
2. Step 2: Convert to fraction form
   56,773.04/78,345.78 = 31,622/x
3. Step 3: Cross multiply
   56,773.04x = 78,345.78 × 31,622
4. Step 4: Simplify right side
   56,773.04x = 2,477,450,255.16
5. Step 5: Solve for x
   x = 2,477,450,255.16/56,773.04
6. Step 6: Final answer
   x = 43,637.79