Finding the Fourth Proportional to 51,390, 70,918.32 and 29,034

Step by Step Solution

1. Step 1: Write the proportion equation
   51,390 : 70,918.32 = 29,034 : x
2. Step 2: Convert to fraction form
   51,390/70,918.32 = 29,034/x
3. Step 3: Cross multiply
   51,390x = 70,918.32 × 29,034
4. Step 4: Simplify right side
   51,390x = 2,059,042,502.88
5. Step 5: Solve for x
   x = 2,059,042,502.88/51,390
6. Step 6: Final answer
   x = 40,066.99