Finding the Fourth Proportional to 56,738.32, 78,298.22 and 31,244.16

Step by Step Solution

1. Step 1: Write the proportion equation
   56,738.32 : 78,298.22 = 31,244.16 : x
2. Step 2: Convert to fraction form
   56,738.32/78,298.22 = 31,244.16/x
3. Step 3: Cross multiply
   56,738.32x = 78,298.22 × 31,244.16
4. Step 4: Simplify right side
   56,738.32x = 2,446,362,113.40
5. Step 5: Solve for x
   x = 2,446,362,113.40/56,738.32
6. Step 6: Final answer
   x = 43,116.58