Finding the Fourth Proportional to 117,390.64, 175,980.72 and 42,493.24

Step by Step Solution

1. Step 1: Write the proportion equation
   117,390.64 : 175,980.72 = 42,493.24 : x
2. Step 2: Convert to fraction form
   117,390.64/175,980.72 = 42,493.24/x
3. Step 3: Cross multiply
   117,390.64x = 175,980.72 × 42,493.24
4. Step 4: Simplify right side
   117,390.64x = 7,477,990,970.33
5. Step 5: Solve for x
   x = 7,477,990,970.33/117,390.64
6. Step 6: Final answer
   x = 63,701.77