Finding the Fourth Proportional to 117,189.42, 175,748.22 and 42,300.42

Step by Step Solution

1. Step 1: Write the proportion equation
   117,189.42 : 175,748.22 = 42,300.42 : x
2. Step 2: Convert to fraction form
   117,189.42/175,748.22 = 42,300.42/x
3. Step 3: Cross multiply
   117,189.42x = 175,748.22 × 42,300.42
4. Step 4: Simplify right side
   117,189.42x = 7,434,223,520.25
5. Step 5: Solve for x
   x = 7,434,223,520.25/117,189.42
6. Step 6: Final answer
   x = 63,437.67