Finding the Fourth Proportional to 144,519,372, 216,736,542.72 and 42,259,101.12

Step by Step Solution

1. Step 1: Write the proportion equation
   144,519,372 : 216,736,542.72 = 42,259,101.12 : x
2. Step 2: Convert to fraction form
   144,519,372/216,736,542.72 = 42,259,101.12/x
3. Step 3: Cross multiply
   144,519,372x = 216,736,542.72 × 42,259,101.12
4. Step 4: Simplify right side
   144,519,372x = 9,159,091,475,203,680
5. Step 5: Solve for x
   x = 9,159,091,475,203,680/144,519,372
6. Step 6: Final answer
   x = 63,376,219.73