Finding the Fourth Proportional to 58,839.30, 81,216.81 and 37,618.65

Step by Step Solution

1. Step 1: Write the proportion equation
   58,839.30 : 81,216.81 = 37,618.65 : x
2. Step 2: Convert to fraction form
   58,839.30/81,216.81 = 37,618.65/x
3. Step 3: Cross multiply
   58,839.30x = 81,216.81 × 37,618.65
4. Step 4: Simplify right side
   58,839.30x = 3,055,266,749.51
5. Step 5: Solve for x
   x = 3,055,266,749.51/58,839.30
6. Step 6: Final answer
   x = 51,925.61