Finding the Fourth Proportional to 72,507.49, 108,748.27 and 46,133.89

Step by Step Solution

1. Step 1: Write the proportion equation
   72,507.49 : 108,748.27 = 46,133.89 : x
2. Step 2: Convert to fraction form
   72,507.49/108,748.27 = 46,133.89/x
3. Step 3: Cross multiply
   72,507.49x = 108,748.27 × 46,133.89
4. Step 4: Simplify right side
   72,507.49x = 5,016,980,725.87
5. Step 5: Solve for x
   x = 5,016,980,725.87/72,507.49
6. Step 6: Final answer
   x = 69,192.59