Finding the Fourth Proportional to 49,407.18, 74,109.69 and 14,345.34

Step by Step Solution

1. Step 1: Write the proportion equation
   49,407.18 : 74,109.69 = 14,345.34 : x
2. Step 2: Convert to fraction form
   49,407.18/74,109.69 = 14,345.34/x
3. Step 3: Cross multiply
   49,407.18x = 74,109.69 × 14,345.34
4. Step 4: Simplify right side
   49,407.18x = 1,063,128,700.34
5. Step 5: Solve for x
   x = 1,063,128,700.34/49,407.18
6. Step 6: Final answer
   x = 21,517.70