Finding the Fourth Proportional to 21,576,289.52, 32,364,714.79 and 7,199,357.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,576,289.52 : 32,364,714.79 = 7,199,357.31 : x
2. Step 2: Convert to fraction form
   21,576,289.52/32,364,714.79 = 7,199,357.31/x
3. Step 3: Cross multiply
   21,576,289.52x = 32,364,714.79 × 7,199,357.31
4. Step 4: Simplify right side
   21,576,289.52x = 233,005,146,009,451.59
5. Step 5: Solve for x
   x = 233,005,146,009,451.59/21,576,289.52
6. Step 6: Final answer
   x = 10,799,129.56