Finding the Fourth Proportional to 21,695,647.58, 32,351,787.86 and 21,500,917.10

Step by Step Solution

1. Step 1: Write the proportion equation
   21,695,647.58 : 32,351,787.86 = 21,500,917.10 : x
2. Step 2: Convert to fraction form
   21,695,647.58/32,351,787.86 = 21,500,917.10/x
3. Step 3: Cross multiply
   21,695,647.58x = 32,351,787.86 × 21,500,917.10
4. Step 4: Simplify right side
   21,695,647.58x = 695,593,108,652,887.38
5. Step 5: Solve for x
   x = 695,593,108,652,887.38/21,695,647.58
6. Step 6: Final answer
   x = 32,061,412.61