Finding the Fourth Proportional to 58,840.80, 81,218.88 and 37,620.15

Step by Step Solution

1. Step 1: Write the proportion equation
   58,840.80 : 81,218.88 = 37,620.15 : x
2. Step 2: Convert to fraction form
   58,840.80/81,218.88 = 37,620.15/x
3. Step 3: Cross multiply
   58,840.80x = 81,218.88 × 37,620.15
4. Step 4: Simplify right side
   58,840.80x = 3,055,466,448.43
5. Step 5: Solve for x
   x = 3,055,466,448.43/58,840.80
6. Step 6: Final answer
   x = 51,927.68