Finding the Fourth Proportional to 23,198,056.11, 32,009,758.72 and 13,406,609.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,198,056.11 : 32,009,758.72 = 13,406,609.50 : x
2. Step 2: Convert to fraction form
   23,198,056.11/32,009,758.72 = 13,406,609.50/x
3. Step 3: Cross multiply
   23,198,056.11x = 32,009,758.72 × 13,406,609.50
4. Step 4: Simplify right side
   23,198,056.11x = 429,142,335,354,755.56
5. Step 5: Solve for x
   x = 429,142,335,354,755.56/23,198,056.11
6. Step 6: Final answer
   x = 18,499,064.46