Finding the Fourth Proportional to 105,342.04, 145,123.14 and 73,453.96

Step by Step Solution

1. Step 1: Write the proportion equation
   105,342.04 : 145,123.14 = 73,453.96 : x
2. Step 2: Convert to fraction form
   105,342.04/145,123.14 = 73,453.96/x
3. Step 3: Cross multiply
   105,342.04x = 145,123.14 × 73,453.96
4. Step 4: Simplify right side
   105,342.04x = 10,659,869,320.63
5. Step 5: Solve for x
   x = 10,659,869,320.63/105,342.04
6. Step 6: Final answer
   x = 101,192.93