Finding the Fourth Proportional to 11,638,387.20, 17,456,503.52 and 5,488,958.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,638,387.20 : 17,456,503.52 = 5,488,958.72 : x
2. Step 2: Convert to fraction form
   11,638,387.20/17,456,503.52 = 5,488,958.72/x
3. Step 3: Cross multiply
   11,638,387.20x = 17,456,503.52 × 5,488,958.72
4. Step 4: Simplify right side
   11,638,387.20x = 95,818,027,216,814.69
5. Step 5: Solve for x
   x = 95,818,027,216,814.69/11,638,387.20
6. Step 6: Final answer
   x = 8,232,930.01