Finding the Fourth Proportional to 105,026.37, 157,487.72 and 45,836.43

Step by Step Solution

1. Step 1: Write the proportion equation
   105,026.37 : 157,487.72 = 45,836.43 : x
2. Step 2: Convert to fraction form
   105,026.37/157,487.72 = 45,836.43/x
3. Step 3: Cross multiply
   105,026.37x = 157,487.72 × 45,836.43
4. Step 4: Simplify right side
   105,026.37x = 7,218,674,624.46
5. Step 5: Solve for x
   x = 7,218,674,624.46/105,026.37
6. Step 6: Final answer
   x = 68,732.02