Finding the Fourth Proportional to 31,043,941, 42,858,395.94 and 20,604,114.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,043,941 : 42,858,395.94 = 20,604,114.76 : x
2. Step 2: Convert to fraction form
   31,043,941/42,858,395.94 = 20,604,114.76/x
3. Step 3: Cross multiply
   31,043,941x = 42,858,395.94 × 20,604,114.76
4. Step 4: Simplify right side
   31,043,941x = 883,059,308,377,278.12
5. Step 5: Solve for x
   x = 883,059,308,377,278.12/31,043,941
6. Step 6: Final answer
   x = 28,445,464.07