Finding the Fourth Proportional to 12,904,662.50, 19,356,990.27 and 4,818,268.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,904,662.50 : 19,356,990.27 = 4,818,268.72 : x
2. Step 2: Convert to fraction form
   12,904,662.50/19,356,990.27 = 4,818,268.72/x
3. Step 3: Cross multiply
   12,904,662.50x = 19,356,990.27 × 4,818,268.72
4. Step 4: Simplify right side
   12,904,662.50x = 93,267,180,808,795.64
5. Step 5: Solve for x
   x = 93,267,180,808,795.64/12,904,662.50
6. Step 6: Final answer
   x = 7,227,401.79