Finding the Fourth Proportional to 99,774, 149,670.72 and 25,902

Step by Step Solution

1. Step 1: Write the proportion equation
   99,774 : 149,670.72 = 25,902 : x
2. Step 2: Convert to fraction form
   99,774/149,670.72 = 25,902/x
3. Step 3: Cross multiply
   99,774x = 149,670.72 × 25,902
4. Step 4: Simplify right side
   99,774x = 3,876,770,989.44
5. Step 5: Solve for x
   x = 3,876,770,989.44/99,774
6. Step 6: Final answer
   x = 38,855.52