Finding the Fourth Proportional to 34,111.86, 51,174.70 and 14,390.48

Step by Step Solution

1. Step 1: Write the proportion equation
   34,111.86 : 51,174.70 = 14,390.48 : x
2. Step 2: Convert to fraction form
   34,111.86/51,174.70 = 14,390.48/x
3. Step 3: Cross multiply
   34,111.86x = 51,174.70 × 14,390.48
4. Step 4: Simplify right side
   34,111.86x = 736,428,496.86
5. Step 5: Solve for x
   x = 736,428,496.86/34,111.86
6. Step 6: Final answer
   x = 21,588.64