Finding the Fourth Proportional to 54,303.51, 74,936.73 and 30,429

Step by Step Solution

1. Step 1: Write the proportion equation
   54,303.51 : 74,936.73 = 30,429 : x
2. Step 2: Convert to fraction form
   54,303.51/74,936.73 = 30,429/x
3. Step 3: Cross multiply
   54,303.51x = 74,936.73 × 30,429
4. Step 4: Simplify right side
   54,303.51x = 2,280,249,757.17
5. Step 5: Solve for x
   x = 2,280,249,757.17/54,303.51
6. Step 6: Final answer
   x = 41,990.84