Finding the Fourth Proportional to 100,796.34, 139,107.60 and 55,483.32

Step by Step Solution

1. Step 1: Write the proportion equation
   100,796.34 : 139,107.60 = 55,483.32 : x
2. Step 2: Convert to fraction form
   100,796.34/139,107.60 = 55,483.32/x
3. Step 3: Cross multiply
   100,796.34x = 139,107.60 × 55,483.32
4. Step 4: Simplify right side
   100,796.34x = 7,718,151,485.23
5. Step 5: Solve for x
   x = 7,718,151,485.23/100,796.34
6. Step 6: Final answer
   x = 76,571.74