Finding the Fourth Proportional to 22,809,962.18, 31,477,485.39 and 12,355,778.90

Step by Step Solution

1. Step 1: Write the proportion equation
   22,809,962.18 : 31,477,485.39 = 12,355,778.90 : x
2. Step 2: Convert to fraction form
   22,809,962.18/31,477,485.39 = 12,355,778.90/x
3. Step 3: Cross multiply
   22,809,962.18x = 31,477,485.39 × 12,355,778.90
4. Step 4: Simplify right side
   22,809,962.18x = 388,928,849,806,820.31
5. Step 5: Solve for x
   x = 388,928,849,806,820.31/22,809,962.18
6. Step 6: Final answer
   x = 17,050,832.73