Finding the Fourth Proportional to 62,112.72, 85,715.34 and 33,818.40

Step by Step Solution

1. Step 1: Write the proportion equation
   62,112.72 : 85,715.34 = 33,818.40 : x
2. Step 2: Convert to fraction form
   62,112.72/85,715.34 = 33,818.40/x
3. Step 3: Cross multiply
   62,112.72x = 85,715.34 × 33,818.40
4. Step 4: Simplify right side
   62,112.72x = 2,898,755,654.26
5. Step 5: Solve for x
   x = 2,898,755,654.26/62,112.72
6. Step 6: Final answer
   x = 46,669.28