Finding the Fourth Proportional to 72,689.52, 109,034.31 and 29,994.33

Step by Step Solution

1. Step 1: Write the proportion equation
   72,689.52 : 109,034.31 = 29,994.33 : x
2. Step 2: Convert to fraction form
   72,689.52/109,034.31 = 29,994.33/x
3. Step 3: Cross multiply
   72,689.52x = 109,034.31 × 29,994.33
4. Step 4: Simplify right side
   72,689.52x = 3,270,411,075.46
5. Step 5: Solve for x
   x = 3,270,411,075.46/72,689.52
6. Step 6: Final answer
   x = 44,991.51