Finding the Fourth Proportional to 131,583, 181,588.86 and 71,967

Step by Step Solution

1. Step 1: Write the proportion equation
   131,583 : 181,588.86 = 71,967 : x
2. Step 2: Convert to fraction form
   131,583/181,588.86 = 71,967/x
3. Step 3: Cross multiply
   131,583x = 181,588.86 × 71,967
4. Step 4: Simplify right side
   131,583x = 13,068,405,487.62
5. Step 5: Solve for x
   x = 13,068,405,487.62/131,583
6. Step 6: Final answer
   x = 99,316.82