Finding the Fourth Proportional to 105,160.82, 157,610.00 and 52,585.34

Step by Step Solution

1. Step 1: Write the proportion equation
   105,160.82 : 157,610.00 = 52,585.34 : x
2. Step 2: Convert to fraction form
   105,160.82/157,610.00 = 52,585.34/x
3. Step 3: Cross multiply
   105,160.82x = 157,610.00 × 52,585.34
4. Step 4: Simplify right side
   105,160.82x = 8,287,974,780.81
5. Step 5: Solve for x
   x = 8,287,974,780.81/105,160.82
6. Step 6: Final answer
   x = 78,812.39