Finding the Fourth Proportional to 80,248,651.74, 120,335,031.98 and 31,087,530.78

Step by Step Solution

1. Step 1: Write the proportion equation
   80,248,651.74 : 120,335,031.98 = 31,087,530.78 : x
2. Step 2: Convert to fraction form
   80,248,651.74/120,335,031.98 = 31,087,530.78/x
3. Step 3: Cross multiply
   80,248,651.74x = 120,335,031.98 × 31,087,530.78
4. Step 4: Simplify right side
   80,248,651.74x = 3,740,919,010,435,096.50
5. Step 5: Solve for x
   x = 3,740,919,010,435,096.50/80,248,651.74
6. Step 6: Final answer
   x = 46,616,596.41