Finding the Fourth Proportional to 28,043,596.98, 42,061,185.42 and 8,871,862.92

Step by Step Solution

1. Step 1: Write the proportion equation
   28,043,596.98 : 42,061,185.42 = 8,871,862.92 : x
2. Step 2: Convert to fraction form
   28,043,596.98/42,061,185.42 = 8,871,862.92/x
3. Step 3: Cross multiply
   28,043,596.98x = 42,061,185.42 × 8,871,862.92
4. Step 4: Simplify right side
   28,043,596.98x = 373,161,071,298,942.62
5. Step 5: Solve for x
   x = 373,161,071,298,942.62/28,043,596.98
6. Step 6: Final answer
   x = 13,306,462.49