Finding the Fourth Proportional to 72,632.18, 100,236.69 and 54,695.54

Step by Step Solution

1. Step 1: Write the proportion equation
   72,632.18 : 100,236.69 = 54,695.54 : x
2. Step 2: Convert to fraction form
   72,632.18/100,236.69 = 54,695.54/x
3. Step 3: Cross multiply
   72,632.18x = 100,236.69 × 54,695.54
4. Step 4: Simplify right side
   72,632.18x = 5,482,499,887.36
5. Step 5: Solve for x
   x = 5,482,499,887.36/72,632.18
6. Step 6: Final answer
   x = 75,483.07