Finding the Fourth Proportional to 53,498.36, 73,827.61 and 30,837.20

Step by Step Solution

1. Step 1: Write the proportion equation
   53,498.36 : 73,827.61 = 30,837.20 : x
2. Step 2: Convert to fraction form
   53,498.36/73,827.61 = 30,837.20/x
3. Step 3: Cross multiply
   53,498.36x = 73,827.61 × 30,837.20
4. Step 4: Simplify right side
   53,498.36x = 2,276,636,328.86
5. Step 5: Solve for x
   x = 2,276,636,328.86/53,498.36
6. Step 6: Final answer
   x = 42,555.26