Finding the Fourth Proportional to 34,887.69, 48,146.27 and 19,986.57

Step by Step Solution

1. Step 1: Write the proportion equation
   34,887.69 : 48,146.27 = 19,986.57 : x
2. Step 2: Convert to fraction form
   34,887.69/48,146.27 = 19,986.57/x
3. Step 3: Cross multiply
   34,887.69x = 48,146.27 × 19,986.57
4. Step 4: Simplify right side
   34,887.69x = 962,278,795.59
5. Step 5: Solve for x
   x = 962,278,795.59/34,887.69
6. Step 6: Final answer
   x = 27,582.19