Finding the Fourth Proportional to 82,507.05, 123,764.82 and 31,905.93

Step by Step Solution

1. Step 1: Write the proportion equation
   82,507.05 : 123,764.82 = 31,905.93 : x
2. Step 2: Convert to fraction form
   82,507.05/123,764.82 = 31,905.93/x
3. Step 3: Cross multiply
   82,507.05x = 123,764.82 × 31,905.93
4. Step 4: Simplify right side
   82,507.05x = 3,948,831,683.38
5. Step 5: Solve for x
   x = 3,948,831,683.38/82,507.05
6. Step 6: Final answer
   x = 47,860.54