Finding the Fourth Proportional to 117,105.94, 175,551.27 and 42,207.76

Step by Step Solution

1. Step 1: Write the proportion equation
   117,105.94 : 175,551.27 = 42,207.76 : x
2. Step 2: Convert to fraction form
   117,105.94/175,551.27 = 42,207.76/x
3. Step 3: Cross multiply
   117,105.94x = 175,551.27 × 42,207.76
4. Step 4: Simplify right side
   117,105.94x = 7,409,625,871.86
5. Step 5: Solve for x
   x = 7,409,625,871.86/117,105.94
6. Step 6: Final answer
   x = 63,272.84