Finding the Fourth Proportional to 12,766,518.72, 17,620,074.72 and 7,610,209.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,766,518.72 : 17,620,074.72 = 7,610,209.92 : x
2. Step 2: Convert to fraction form
   12,766,518.72/17,620,074.72 = 7,610,209.92/x
3. Step 3: Cross multiply
   12,766,518.72x = 17,620,074.72 × 7,610,209.92
4. Step 4: Simplify right side
   12,766,518.72x = 134,092,467,425,285.22
5. Step 5: Solve for x
   x = 134,092,467,425,285.22/12,766,518.72
6. Step 6: Final answer
   x = 10,503,448.15