Finding the Fourth Proportional to 34,043.76, 46,980.27 and 19,139.76

Step by Step Solution

1. Step 1: Write the proportion equation
   34,043.76 : 46,980.27 = 19,139.76 : x
2. Step 2: Convert to fraction form
   34,043.76/46,980.27 = 19,139.76/x
3. Step 3: Cross multiply
   34,043.76x = 46,980.27 × 19,139.76
4. Step 4: Simplify right side
   34,043.76x = 899,191,092.54
5. Step 5: Solve for x
   x = 899,191,092.54/34,043.76
6. Step 6: Final answer
   x = 26,412.80