Finding the Fourth Proportional to 107,081.65, 147,534.78 and 70,718.52

Step by Step Solution

1. Step 1: Write the proportion equation
   107,081.65 : 147,534.78 = 70,718.52 : x
2. Step 2: Convert to fraction form
   107,081.65/147,534.78 = 70,718.52/x
3. Step 3: Cross multiply
   107,081.65x = 147,534.78 × 70,718.52
4. Step 4: Simplify right side
   107,081.65x = 10,433,441,290.13
5. Step 5: Solve for x
   x = 10,433,441,290.13/107,081.65
6. Step 6: Final answer
   x = 97,434.45