Finding the Fourth Proportional to 130,948.32, 196,290.96 and 42,136.56

Step by Step Solution

1. Step 1: Write the proportion equation
   130,948.32 : 196,290.96 = 42,136.56 : x
2. Step 2: Convert to fraction form
   130,948.32/196,290.96 = 42,136.56/x
3. Step 3: Cross multiply
   130,948.32x = 196,290.96 × 42,136.56
4. Step 4: Simplify right side
   130,948.32x = 8,271,025,813.50
5. Step 5: Solve for x
   x = 8,271,025,813.50/130,948.32
6. Step 6: Final answer
   x = 63,162.52