Finding the Fourth Proportional to 91,637.28, 137,455.83 and 25,078.01

Step by Step Solution

1. Step 1: Write the proportion equation
   91,637.28 : 137,455.83 = 25,078.01 : x
2. Step 2: Convert to fraction form
   91,637.28/137,455.83 = 25,078.01/x
3. Step 3: Cross multiply
   91,637.28x = 137,455.83 × 25,078.01
4. Step 4: Simplify right side
   91,637.28x = 3,447,117,992.02
5. Step 5: Solve for x
   x = 3,447,117,992.02/91,637.28
6. Step 6: Final answer
   x = 37,616.98