Finding the Fourth Proportional to 39,930,080.98, 55,103,511.72 and 21,595,366.48

Step by Step Solution

1. Step 1: Write the proportion equation
   39,930,080.98 : 55,103,511.72 = 21,595,366.48 : x
2. Step 2: Convert to fraction form
   39,930,080.98/55,103,511.72 = 21,595,366.48/x
3. Step 3: Cross multiply
   39,930,080.98x = 55,103,511.72 × 21,595,366.48
4. Step 4: Simplify right side
   39,930,080.98x = 1,189,980,529,928,375.25
5. Step 5: Solve for x
   x = 1,189,980,529,928,375.25/39,930,080.98
6. Step 6: Final answer
   x = 29,801,605.72