Finding the Fourth Proportional to 14,040,374.72, 21,060,560.64 and 3,402,806.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,040,374.72 : 21,060,560.64 = 3,402,806.72 : x
2. Step 2: Convert to fraction form
   14,040,374.72/21,060,560.64 = 3,402,806.72/x
3. Step 3: Cross multiply
   14,040,374.72x = 21,060,560.64 × 3,402,806.72
4. Step 4: Simplify right side
   14,040,374.72x = 71,665,017,272,759.50
5. Step 5: Solve for x
   x = 71,665,017,272,759.50/14,040,374.72
6. Step 6: Final answer
   x = 5,104,209.73