Finding the Fourth Proportional to 53,468.22, 73,777.89 and 30,802.78

Step by Step Solution

1. Step 1: Write the proportion equation
   53,468.22 : 73,777.89 = 30,802.78 : x
2. Step 2: Convert to fraction form
   53,468.22/73,777.89 = 30,802.78/x
3. Step 3: Cross multiply
   53,468.22x = 73,777.89 × 30,802.78
4. Step 4: Simplify right side
   53,468.22x = 2,272,564,149.00
5. Step 5: Solve for x
   x = 2,272,564,149.00/53,468.22
6. Step 6: Final answer
   x = 42,503.08