Finding the Fourth Proportional to 117,335.42, 175,925.38 and 42,445.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,335.42 : 175,925.38 = 42,445.72 : x
2. Step 2: Convert to fraction form
   117,335.42/175,925.38 = 42,445.72/x
3. Step 3: Cross multiply
   117,335.42x = 175,925.38 × 42,445.72
4. Step 4: Simplify right side
   117,335.42x = 7,467,279,420.37
5. Step 5: Solve for x
   x = 7,467,279,420.37/117,335.42
6. Step 6: Final answer
   x = 63,640.45