Finding the Fourth Proportional to 21,587,327.08, 32,371,773.42 and 12,495,700.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,587,327.08 : 32,371,773.42 = 12,495,700.18 : x
2. Step 2: Convert to fraction form
   21,587,327.08/32,371,773.42 = 12,495,700.18/x
3. Step 3: Cross multiply
   21,587,327.08x = 32,371,773.42 × 12,495,700.18
4. Step 4: Simplify right side
   21,587,327.08x = 404,507,974,951,213.25
5. Step 5: Solve for x
   x = 404,507,974,951,213.25/21,587,327.08
6. Step 6: Final answer
   x = 18,738,214.95