Finding the Fourth Proportional to 53,404.09, 80,118.28 and 28,430.98

Step by Step Solution

1. Step 1: Write the proportion equation
   53,404.09 : 80,118.28 = 28,430.98 : x
2. Step 2: Convert to fraction form
   53,404.09/80,118.28 = 28,430.98/x
3. Step 3: Cross multiply
   53,404.09x = 80,118.28 × 28,430.98
4. Step 4: Simplify right side
   53,404.09x = 2,277,841,216.31
5. Step 5: Solve for x
   x = 2,277,841,216.31/53,404.09
6. Step 6: Final answer
   x = 42,652.94