Finding the Fourth Proportional to 30,516,144.56, 42,112,103.16 and 16,764,812.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,516,144.56 : 42,112,103.16 = 16,764,812.72 : x
2. Step 2: Convert to fraction form
   30,516,144.56/42,112,103.16 = 16,764,812.72/x
3. Step 3: Cross multiply
   30,516,144.56x = 42,112,103.16 × 16,764,812.72
4. Step 4: Simplify right side
   30,516,144.56x = 706,001,522,722,720.12
5. Step 5: Solve for x
   x = 706,001,522,722,720.12/30,516,144.56
6. Step 6: Final answer
   x = 23,135,344.68