Finding the Fourth Proportional to 131,387.83, 181,315.16 and 70,958.49

Step by Step Solution

1. Step 1: Write the proportion equation
   131,387.83 : 181,315.16 = 70,958.49 : x
2. Step 2: Convert to fraction form
   131,387.83/181,315.16 = 70,958.49/x
3. Step 3: Cross multiply
   131,387.83x = 181,315.16 × 70,958.49
4. Step 4: Simplify right side
   131,387.83x = 12,865,849,967.71
5. Step 5: Solve for x
   x = 12,865,849,967.71/131,387.83
6. Step 6: Final answer
   x = 97,922.69