Finding the Fourth Proportional to 53,401.16, 73,689.72 and 29,528.12

Step by Step Solution

1. Step 1: Write the proportion equation
   53,401.16 : 73,689.72 = 29,528.12 : x
2. Step 2: Convert to fraction form
   53,401.16/73,689.72 = 29,528.12/x
3. Step 3: Cross multiply
   53,401.16x = 73,689.72 × 29,528.12
4. Step 4: Simplify right side
   53,401.16x = 2,175,918,894.93
5. Step 5: Solve for x
   x = 2,175,918,894.93/53,401.16
6. Step 6: Final answer
   x = 40,746.66