Finding the Fourth Proportional to 22,565,405.27, 31,139,939.75 and 12,775,595.01

Step by Step Solution

1. Step 1: Write the proportion equation
   22,565,405.27 : 31,139,939.75 = 12,775,595.01 : x
2. Step 2: Convert to fraction form
   22,565,405.27/31,139,939.75 = 12,775,595.01/x
3. Step 3: Cross multiply
   22,565,405.27x = 31,139,939.75 × 12,775,595.01
4. Step 4: Simplify right side
   22,565,405.27x = 397,831,258,817,922.69
5. Step 5: Solve for x
   x = 397,831,258,817,922.69/22,565,405.27
6. Step 6: Final answer
   x = 17,630,140.21