Finding the Fourth Proportional to 129,953.70, 195,003.45 and 55,061.10

Step by Step Solution

1. Step 1: Write the proportion equation
   129,953.70 : 195,003.45 = 55,061.10 : x
2. Step 2: Convert to fraction form
   129,953.70/195,003.45 = 55,061.10/x
3. Step 3: Cross multiply
   129,953.70x = 195,003.45 × 55,061.10
4. Step 4: Simplify right side
   129,953.70x = 10,737,104,460.80
5. Step 5: Solve for x
   x = 10,737,104,460.80/129,953.70
6. Step 6: Final answer
   x = 82,622.54