Finding the Fourth Proportional to 91,973.24, 138,012.28 and 35,806.10

Step by Step Solution

1. Step 1: Write the proportion equation
   91,973.24 : 138,012.28 = 35,806.10 : x
2. Step 2: Convert to fraction form
   91,973.24/138,012.28 = 35,806.10/x
3. Step 3: Cross multiply
   91,973.24x = 138,012.28 × 35,806.10
4. Step 4: Simplify right side
   91,973.24x = 4,941,681,498.91
5. Step 5: Solve for x
   x = 4,941,681,498.91/91,973.24
6. Step 6: Final answer
   x = 53,729.56