Finding the Fourth Proportional to 70,632.66, 105,850.56 and 53,081.98

Step by Step Solution

1. Step 1: Write the proportion equation
   70,632.66 : 105,850.56 = 53,081.98 : x
2. Step 2: Convert to fraction form
   70,632.66/105,850.56 = 53,081.98/x
3. Step 3: Cross multiply
   70,632.66x = 105,850.56 × 53,081.98
4. Step 4: Simplify right side
   70,632.66x = 5,618,757,308.91
5. Step 5: Solve for x
   x = 5,618,757,308.91/70,632.66
6. Step 6: Final answer
   x = 79,549.00