Finding the Fourth Proportional to 23,289,915.88, 32,140,215.72 and 13,506,169.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,289,915.88 : 32,140,215.72 = 13,506,169.12 : x
2. Step 2: Convert to fraction form
   23,289,915.88/32,140,215.72 = 13,506,169.12/x
3. Step 3: Cross multiply
   23,289,915.88x = 32,140,215.72 × 13,506,169.12
4. Step 4: Simplify right side
   23,289,915.88x = 434,091,189,067,602.50
5. Step 5: Solve for x
   x = 434,091,189,067,602.50/23,289,915.88
6. Step 6: Final answer
   x = 18,638,589.82