Finding the Fourth Proportional to 116,905.61, 175,315.35 and 42,005.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,905.61 : 175,315.35 = 42,005.72 : x
2. Step 2: Convert to fraction form
   116,905.61/175,315.35 = 42,005.72/x
3. Step 3: Cross multiply
   116,905.61x = 175,315.35 × 42,005.72
4. Step 4: Simplify right side
   116,905.61x = 7,364,247,503.80
5. Step 5: Solve for x
   x = 7,364,247,503.80/116,905.61
6. Step 6: Final answer
   x = 62,993.11