Finding the Fourth Proportional to 56,820.06, 78,412.23 and 31,327.34

Step by Step Solution

1. Step 1: Write the proportion equation
   56,820.06 : 78,412.23 = 31,327.34 : x
2. Step 2: Convert to fraction form
   56,820.06/78,412.23 = 31,327.34/x
3. Step 3: Cross multiply
   56,820.06x = 78,412.23 × 31,327.34
4. Step 4: Simplify right side
   56,820.06x = 2,456,446,197.31
5. Step 5: Solve for x
   x = 2,456,446,197.31/56,820.06
6. Step 6: Final answer
   x = 43,232.02