Finding the Fourth Proportional to 55,633.71, 76,774.42 and 30,140.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,633.71 : 76,774.42 = 30,140.72 : x
2. Step 2: Convert to fraction form
   55,633.71/76,774.42 = 30,140.72/x
3. Step 3: Cross multiply
   55,633.71x = 76,774.42 × 30,140.72
4. Step 4: Simplify right side
   55,633.71x = 2,314,035,837.16
5. Step 5: Solve for x
   x = 2,314,035,837.16/55,633.71
6. Step 6: Final answer
   x = 41,594.13