Finding the Fourth Proportional to 72,633.48, 109,133.46 and 69,681.16

Step by Step Solution

1. Step 1: Write the proportion equation
   72,633.48 : 109,133.46 = 69,681.16 : x
2. Step 2: Convert to fraction form
   72,633.48/109,133.46 = 69,681.16/x
3. Step 3: Cross multiply
   72,633.48x = 109,133.46 × 69,681.16
4. Step 4: Simplify right side
   72,633.48x = 7,604,546,087.61
5. Step 5: Solve for x
   x = 7,604,546,087.61/72,633.48
6. Step 6: Final answer
   x = 104,697.53