Finding the Fourth Proportional to 144,976,853.98, 217,356,661.05 and 87,455,717.02

Step by Step Solution

1. Step 1: Write the proportion equation
   144,976,853.98 : 217,356,661.05 = 87,455,717.02 : x
2. Step 2: Convert to fraction form
   144,976,853.98/217,356,661.05 = 87,455,717.02/x
3. Step 3: Cross multiply
   144,976,853.98x = 217,356,661.05 × 87,455,717.02
4. Step 4: Simplify right side
   144,976,853.98x = 19,009,082,641,200,856
5. Step 5: Solve for x
   x = 19,009,082,641,200,856/144,976,853.98
6. Step 6: Final answer
   x = 131,118,051.74