Finding the Fourth Proportional to 127,981.59, 191,890.36 and 53,153.38

Step by Step Solution

1. Step 1: Write the proportion equation
   127,981.59 : 191,890.36 = 53,153.38 : x
2. Step 2: Convert to fraction form
   127,981.59/191,890.36 = 53,153.38/x
3. Step 3: Cross multiply
   127,981.59x = 191,890.36 × 53,153.38
4. Step 4: Simplify right side
   127,981.59x = 10,199,621,223.42
5. Step 5: Solve for x
   x = 10,199,621,223.42/127,981.59
6. Step 6: Final answer
   x = 79,696.00