Finding the Fourth Proportional to 53,386.98, 73,666.17 and 30,417

Step by Step Solution

1. Step 1: Write the proportion equation
   53,386.98 : 73,666.17 = 30,417 : x
2. Step 2: Convert to fraction form
   53,386.98/73,666.17 = 30,417/x
3. Step 3: Cross multiply
   53,386.98x = 73,666.17 × 30,417
4. Step 4: Simplify right side
   53,386.98x = 2,240,703,892.89
5. Step 5: Solve for x
   x = 2,240,703,892.89/53,386.98
6. Step 6: Final answer
   x = 41,970.98