Finding the Fourth Proportional to 17,621,003.34, 26,397,158.18 and 9,921,112.16

Step by Step Solution

1. Step 1: Write the proportion equation
   17,621,003.34 : 26,397,158.18 = 9,921,112.16 : x
2. Step 2: Convert to fraction form
   17,621,003.34/26,397,158.18 = 9,921,112.16/x
3. Step 3: Cross multiply
   17,621,003.34x = 26,397,158.18 × 9,921,112.16
4. Step 4: Simplify right side
   17,621,003.34x = 261,889,166,827,450.09
5. Step 5: Solve for x
   x = 261,889,166,827,450.09/17,621,003.34
6. Step 6: Final answer
   x = 14,862,330.01