Finding the Fourth Proportional to 56,138.30, 83,796.42 and 49,495.46

Step by Step Solution

1. Step 1: Write the proportion equation
   56,138.30 : 83,796.42 = 49,495.46 : x
2. Step 2: Convert to fraction form
   56,138.30/83,796.42 = 49,495.46/x
3. Step 3: Cross multiply
   56,138.30x = 83,796.42 × 49,495.46
4. Step 4: Simplify right side
   56,138.30x = 4,147,542,354.25
5. Step 5: Solve for x
   x = 4,147,542,354.25/56,138.30
6. Step 6: Final answer
   x = 73,880.80