Finding the Fourth Proportional to 156,819.74, 235,229.80 and 42,968.52

Step by Step Solution

1. Step 1: Write the proportion equation
   156,819.74 : 235,229.80 = 42,968.52 : x
2. Step 2: Convert to fraction form
   156,819.74/235,229.80 = 42,968.52/x
3. Step 3: Cross multiply
   156,819.74x = 235,229.80 × 42,968.52
4. Step 4: Simplify right side
   156,819.74x = 10,107,477,301.72
5. Step 5: Solve for x
   x = 10,107,477,301.72/156,819.74
6. Step 6: Final answer
   x = 64,452.84