Finding the Fourth Proportional to 91,721.08, 137,558.52 and 35,541.88

Step by Step Solution

1. Step 1: Write the proportion equation
   91,721.08 : 137,558.52 = 35,541.88 : x
2. Step 2: Convert to fraction form
   91,721.08/137,558.52 = 35,541.88/x
3. Step 3: Cross multiply
   91,721.08x = 137,558.52 × 35,541.88
4. Step 4: Simplify right side
   91,721.08x = 4,889,088,410.82
5. Step 5: Solve for x
   x = 4,889,088,410.82/91,721.08
6. Step 6: Final answer
   x = 53,303.87