Finding the Fourth Proportional to 62,111.72, 85,709.84 and 35,254.78

Step by Step Solution

1. Step 1: Write the proportion equation
   62,111.72 : 85,709.84 = 35,254.78 : x
2. Step 2: Convert to fraction form
   62,111.72/85,709.84 = 35,254.78/x
3. Step 3: Cross multiply
   62,111.72x = 85,709.84 × 35,254.78
4. Step 4: Simplify right side
   62,111.72x = 3,021,681,553.04
5. Step 5: Solve for x
   x = 3,021,681,553.04/62,111.72
6. Step 6: Final answer
   x = 48,649.14