Finding the Fourth Proportional to 67,880.71, 101,780.15 and 30,434.01

Step by Step Solution

1. Step 1: Write the proportion equation
   67,880.71 : 101,780.15 = 30,434.01 : x
2. Step 2: Convert to fraction form
   67,880.71/101,780.15 = 30,434.01/x
3. Step 3: Cross multiply
   67,880.71x = 101,780.15 × 30,434.01
4. Step 4: Simplify right side
   67,880.71x = 3,097,577,950.73
5. Step 5: Solve for x
   x = 3,097,577,950.73/67,880.71
6. Step 6: Final answer
   x = 45,632.67