Finding the Fourth Proportional to 82,128.33, 123,192.50 and 32,231.93

Step by Step Solution

1. Step 1: Write the proportion equation
   82,128.33 : 123,192.50 = 32,231.93 : x
2. Step 2: Convert to fraction form
   82,128.33/123,192.50 = 32,231.93/x
3. Step 3: Cross multiply
   82,128.33x = 123,192.50 × 32,231.93
4. Step 4: Simplify right side
   82,128.33x = 3,970,731,259.40
5. Step 5: Solve for x
   x = 3,970,731,259.40/82,128.33
6. Step 6: Final answer
   x = 48,347.89