Finding the Fourth Proportional to 70,071.75, 105,155.01 and 30,606.12

Step by Step Solution

1. Step 1: Write the proportion equation
   70,071.75 : 105,155.01 = 30,606.12 : x
2. Step 2: Convert to fraction form
   70,071.75/105,155.01 = 30,606.12/x
3. Step 3: Cross multiply
   70,071.75x = 105,155.01 × 30,606.12
4. Step 4: Simplify right side
   70,071.75x = 3,218,386,854.66
5. Step 5: Solve for x
   x = 3,218,386,854.66/70,071.75
6. Step 6: Final answer
   x = 45,929.88