Finding the Fourth Proportional to 21,543,780.32, 32,287,749.76 and 8,749,422.08

Step by Step Solution

1. Step 1: Write the proportion equation
   21,543,780.32 : 32,287,749.76 = 8,749,422.08 : x
2. Step 2: Convert to fraction form
   21,543,780.32/32,287,749.76 = 8,749,422.08/x
3. Step 3: Cross multiply
   21,543,780.32x = 32,287,749.76 × 8,749,422.08
4. Step 4: Simplify right side
   21,543,780.32x = 282,499,150,663,658.69
5. Step 5: Solve for x
   x = 282,499,150,663,658.69/21,543,780.32
6. Step 6: Final answer
   x = 13,112,793.88