Finding the Fourth Proportional to 53,387.56, 73,682.18 and 30,726.10

Step by Step Solution

1. Step 1: Write the proportion equation
   53,387.56 : 73,682.18 = 30,726.10 : x
2. Step 2: Convert to fraction form
   53,387.56/73,682.18 = 30,726.10/x
3. Step 3: Cross multiply
   53,387.56x = 73,682.18 × 30,726.10
4. Step 4: Simplify right side
   53,387.56x = 2,263,966,030.90
5. Step 5: Solve for x
   x = 2,263,966,030.90/53,387.56
6. Step 6: Final answer
   x = 42,406.25