Finding the Fourth Proportional to 80,762, 121,147.86 and 25,358

Step by Step Solution

1. Step 1: Write the proportion equation
   80,762 : 121,147.86 = 25,358 : x
2. Step 2: Convert to fraction form
   80,762/121,147.86 = 25,358/x
3. Step 3: Cross multiply
   80,762x = 121,147.86 × 25,358
4. Step 4: Simplify right side
   80,762x = 3,072,067,433.88
5. Step 5: Solve for x
   x = 3,072,067,433.88/80,762
6. Step 6: Final answer
   x = 38,038.53