Finding the Fourth Proportional to 55,538.34, 76,642.83 and 30,387.84

Step by Step Solution

1. Step 1: Write the proportion equation
   55,538.34 : 76,642.83 = 30,387.84 : x
2. Step 2: Convert to fraction form
   55,538.34/76,642.83 = 30,387.84/x
3. Step 3: Cross multiply
   55,538.34x = 76,642.83 × 30,387.84
4. Step 4: Simplify right side
   55,538.34x = 2,329,010,055.19
5. Step 5: Solve for x
   x = 2,329,010,055.19/55,538.34
6. Step 6: Final answer
   x = 41,935.18