Finding the Fourth Proportional to 25,091.86, 37,418.51 and 21,986.32

Step by Step Solution

1. Step 1: Write the proportion equation
   25,091.86 : 37,418.51 = 21,986.32 : x
2. Step 2: Convert to fraction form
   25,091.86/37,418.51 = 21,986.32/x
3. Step 3: Cross multiply
   25,091.86x = 37,418.51 × 21,986.32
4. Step 4: Simplify right side
   25,091.86x = 822,695,334.78
5. Step 5: Solve for x
   x = 822,695,334.78/25,091.86
6. Step 6: Final answer
   x = 32,787.34