Finding the Fourth Proportional to 53,429.10, 73,718.91 and 34,543.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,429.10 : 73,718.91 = 34,543.50 : x
2. Step 2: Convert to fraction form
   53,429.10/73,718.91 = 34,543.50/x
3. Step 3: Cross multiply
   53,429.10x = 73,718.91 × 34,543.50
4. Step 4: Simplify right side
   53,429.10x = 2,546,509,167.59
5. Step 5: Solve for x
   x = 2,546,509,167.59/53,429.10
6. Step 6: Final answer
   x = 47,661.46