Finding the Fourth Proportional to 60,812,023.86, 91,229,771.61 and 19,860,453.72

Step by Step Solution

1. Step 1: Write the proportion equation
   60,812,023.86 : 91,229,771.61 = 19,860,453.72 : x
2. Step 2: Convert to fraction form
   60,812,023.86/91,229,771.61 = 19,860,453.72/x
3. Step 3: Cross multiply
   60,812,023.86x = 91,229,771.61 × 19,860,453.72
4. Step 4: Simplify right side
   60,812,023.86x = 1,811,864,656,946,574.75
5. Step 5: Solve for x
   x = 1,811,864,656,946,574.75/60,812,023.86
6. Step 6: Final answer
   x = 29,794,513.35