Finding the Fourth Proportional to 23,397,474.78, 32,287,909.77 and 12,943,219.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,397,474.78 : 32,287,909.77 = 12,943,219.50 : x
2. Step 2: Convert to fraction form
   23,397,474.78/32,287,909.77 = 12,943,219.50/x
3. Step 3: Cross multiply
   23,397,474.78x = 32,287,909.77 × 12,943,219.50
4. Step 4: Simplify right side
   23,397,474.78x = 417,909,503,349,304.50
5. Step 5: Solve for x
   x = 417,909,503,349,304.50/23,397,474.78
6. Step 6: Final answer
   x = 17,861,307.99