Finding the Fourth Proportional to 86,627.25, 129,992.72 and 37,379.25

Step by Step Solution

1. Step 1: Write the proportion equation
   86,627.25 : 129,992.72 = 37,379.25 : x
2. Step 2: Convert to fraction form
   86,627.25/129,992.72 = 37,379.25/x
3. Step 3: Cross multiply
   86,627.25x = 129,992.72 × 37,379.25
4. Step 4: Simplify right side
   86,627.25x = 4,859,030,192.16
5. Step 5: Solve for x
   x = 4,859,030,192.16/86,627.25
6. Step 6: Final answer
   x = 56,091.24