Finding the Fourth Proportional to 23,301,660.96, 32,157,380.88 and 12,988,458.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,301,660.96 : 32,157,380.88 = 12,988,458.72 : x
2. Step 2: Convert to fraction form
   23,301,660.96/32,157,380.88 = 12,988,458.72/x
3. Step 3: Cross multiply
   23,301,660.96x = 32,157,380.88 × 12,988,458.72
4. Step 4: Simplify right side
   23,301,660.96x = 417,674,814,103,197.31
5. Step 5: Solve for x
   x = 417,674,814,103,197.31/23,301,660.96
6. Step 6: Final answer
   x = 17,924,679.91