Finding the Fourth Proportional to 156,970.96, 235,604.42 and 57,227.56

Step by Step Solution

1. Step 1: Write the proportion equation
   156,970.96 : 235,604.42 = 57,227.56 : x
2. Step 2: Convert to fraction form
   156,970.96/235,604.42 = 57,227.56/x
3. Step 3: Cross multiply
   156,970.96x = 235,604.42 × 57,227.56
4. Step 4: Simplify right side
   156,970.96x = 13,483,066,081.82
5. Step 5: Solve for x
   x = 13,483,066,081.82/156,970.96
6. Step 6: Final answer
   x = 85,895.29