Finding the Fourth Proportional to 22,565,406.77, 31,139,941.82 and 12,775,596.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,565,406.77 : 31,139,941.82 = 12,775,596.51 : x
2. Step 2: Convert to fraction form
   22,565,406.77/31,139,941.82 = 12,775,596.51/x
3. Step 3: Cross multiply
   22,565,406.77x = 31,139,941.82 × 12,775,596.51
4. Step 4: Simplify right side
   22,565,406.77x = 397,831,331,973,317.06
5. Step 5: Solve for x
   x = 397,831,331,973,317.06/22,565,406.77
6. Step 6: Final answer
   x = 17,630,142.28