Finding the Fourth Proportional to 131,570, 181,566.60 and 71,954

Step by Step Solution

1. Step 1: Write the proportion equation
   131,570 : 181,566.60 = 71,954 : x
2. Step 2: Convert to fraction form
   131,570/181,566.60 = 71,954/x
3. Step 3: Cross multiply
   131,570x = 181,566.60 × 71,954
4. Step 4: Simplify right side
   131,570x = 13,064,443,136.40
5. Step 5: Solve for x
   x = 13,064,443,136.40/131,570
6. Step 6: Final answer
   x = 99,296.52