Finding the Fourth Proportional to 77,443,401.42, 106,867,836.72 and 42,629,292

Step by Step Solution

1. Step 1: Write the proportion equation
   77,443,401.42 : 106,867,836.72 = 42,629,292 : x
2. Step 2: Convert to fraction form
   77,443,401.42/106,867,836.72 = 42,629,292/x
3. Step 3: Cross multiply
   77,443,401.42x = 106,867,836.72 × 42,629,292
4. Step 4: Simplify right side
   77,443,401.42x = 4,555,700,216,945,202
5. Step 5: Solve for x
   x = 4,555,700,216,945,202/77,443,401.42
6. Step 6: Final answer
   x = 58,826,189.62