Finding the Fourth Proportional to 83,156.56, 124,754.32 and 56,873.68

Step by Step Solution

1. Step 1: Write the proportion equation
   83,156.56 : 124,754.32 = 56,873.68 : x
2. Step 2: Convert to fraction form
   83,156.56/124,754.32 = 56,873.68/x
3. Step 3: Cross multiply
   83,156.56x = 124,754.32 × 56,873.68
4. Step 4: Simplify right side
   83,156.56x = 7,095,237,274.30
5. Step 5: Solve for x
   x = 7,095,237,274.30/83,156.56
6. Step 6: Final answer
   x = 85,323.84