Finding the Fourth Proportional to 175,688.72, 263,364.72 and 74,347.37

Step by Step Solution

1. Step 1: Write the proportion equation
   175,688.72 : 263,364.72 = 74,347.37 : x
2. Step 2: Convert to fraction form
   175,688.72/263,364.72 = 74,347.37/x
3. Step 3: Cross multiply
   175,688.72x = 263,364.72 × 74,347.37
4. Step 4: Simplify right side
   175,688.72x = 19,580,472,965.96
5. Step 5: Solve for x
   x = 19,580,472,965.96/175,688.72
6. Step 6: Final answer
   x = 111,449.80