Finding the Fourth Proportional to 52,298.43, 72,171.61 and 29,641.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,298.43 : 72,171.61 = 29,641.72 : x
2. Step 2: Convert to fraction form
   52,298.43/72,171.61 = 29,641.72/x
3. Step 3: Cross multiply
   52,298.43x = 72,171.61 × 29,641.72
4. Step 4: Simplify right side
   52,298.43x = 2,139,290,655.57
5. Step 5: Solve for x
   x = 2,139,290,655.57/52,298.43
6. Step 6: Final answer
   x = 40,905.45