Finding the Fourth Proportional to 48,107.30, 72,130.38 and 42,196.06

Step by Step Solution

1. Step 1: Write the proportion equation
   48,107.30 : 72,130.38 = 42,196.06 : x
2. Step 2: Convert to fraction form
   48,107.30/72,130.38 = 42,196.06/x
3. Step 3: Cross multiply
   48,107.30x = 72,130.38 × 42,196.06
4. Step 4: Simplify right side
   48,107.30x = 3,043,617,842.30
5. Step 5: Solve for x
   x = 3,043,617,842.30/48,107.30
6. Step 6: Final answer
   x = 63,267.28