Finding the Fourth Proportional to 53,116.89, 73,305.60 and 30,457.98

Step by Step Solution

1. Step 1: Write the proportion equation
   53,116.89 : 73,305.60 = 30,457.98 : x
2. Step 2: Convert to fraction form
   53,116.89/73,305.60 = 30,457.98/x
3. Step 3: Cross multiply
   53,116.89x = 73,305.60 × 30,457.98
4. Step 4: Simplify right side
   53,116.89x = 2,232,740,498.69
5. Step 5: Solve for x
   x = 2,232,740,498.69/53,116.89
6. Step 6: Final answer
   x = 42,034.47