Finding the Fourth Proportional to 69,059.56, 95,309.59 and 40,387.99

Step by Step Solution

1. Step 1: Write the proportion equation
   69,059.56 : 95,309.59 = 40,387.99 : x
2. Step 2: Convert to fraction form
   69,059.56/95,309.59 = 40,387.99/x
3. Step 3: Cross multiply
   69,059.56x = 95,309.59 × 40,387.99
4. Step 4: Simplify right side
   69,059.56x = 3,849,362,767.82
5. Step 5: Solve for x
   x = 3,849,362,767.82/69,059.56
6. Step 6: Final answer
   x = 55,739.75