Finding the Fourth Proportional to 21,657,870.89, 32,469,944.76 and 10,720,514.19

Step by Step Solution

1. Step 1: Write the proportion equation
   21,657,870.89 : 32,469,944.76 = 10,720,514.19 : x
2. Step 2: Convert to fraction form
   21,657,870.89/32,469,944.76 = 10,720,514.19/x
3. Step 3: Cross multiply
   21,657,870.89x = 32,469,944.76 × 10,720,514.19
4. Step 4: Simplify right side
   21,657,870.89x = 348,094,503,548,096.12
5. Step 5: Solve for x
   x = 348,094,503,548,096.12/21,657,870.89
6. Step 6: Final answer
   x = 16,072,424.91