Finding the Fourth Proportional to 22,157,570.95, 30,582,549.79 and 12,993,166.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,157,570.95 : 30,582,549.79 = 12,993,166.15 : x
2. Step 2: Convert to fraction form
   22,157,570.95/30,582,549.79 = 12,993,166.15/x
3. Step 3: Cross multiply
   22,157,570.95x = 30,582,549.79 × 12,993,166.15
4. Step 4: Simplify right side
   22,157,570.95x = 397,364,150,603,178.38
5. Step 5: Solve for x
   x = 397,364,150,603,178.38/22,157,570.95
6. Step 6: Final answer
   x = 17,933,561.02