Finding the Fourth Proportional to 54,385.56, 75,053.36 and 30,513.98

Step by Step Solution

1. Step 1: Write the proportion equation
   54,385.56 : 75,053.36 = 30,513.98 : x
2. Step 2: Convert to fraction form
   54,385.56/75,053.36 = 30,513.98/x
3. Step 3: Cross multiply
   54,385.56x = 75,053.36 × 30,513.98
4. Step 4: Simplify right side
   54,385.56x = 2,290,176,989.89
5. Step 5: Solve for x
   x = 2,290,176,989.89/54,385.56
6. Step 6: Final answer
   x = 42,110.02