Finding the Fourth Proportional to 131,511, 181,488.06 and 71,895

Step by Step Solution

1. Step 1: Write the proportion equation
   131,511 : 181,488.06 = 71,895 : x
2. Step 2: Convert to fraction form
   131,511/181,488.06 = 71,895/x
3. Step 3: Cross multiply
   131,511x = 181,488.06 × 71,895
4. Step 4: Simplify right side
   131,511x = 13,048,084,073.70
5. Step 5: Solve for x
   x = 13,048,084,073.70/131,511
6. Step 6: Final answer
   x = 99,216.67