Finding the Fourth Proportional to 123,557.42, 185,192.76 and 56,857.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,557.42 : 185,192.76 = 56,857.52 : x
2. Step 2: Convert to fraction form
   123,557.42/185,192.76 = 56,857.52/x
3. Step 3: Cross multiply
   123,557.42x = 185,192.76 × 56,857.52
4. Step 4: Simplify right side
   123,557.42x = 10,529,601,055.56
5. Step 5: Solve for x
   x = 10,529,601,055.56/123,557.42
6. Step 6: Final answer
   x = 85,220.31