Finding the Fourth Proportional to 57,170,981.46, 78,896,454.24 and 31,065,499.20

Step by Step Solution

1. Step 1: Write the proportion equation
   57,170,981.46 : 78,896,454.24 = 31,065,499.20 : x
2. Step 2: Convert to fraction form
   57,170,981.46/78,896,454.24 = 31,065,499.20/x
3. Step 3: Cross multiply
   57,170,981.46x = 78,896,454.24 × 31,065,499.20
4. Step 4: Simplify right side
   57,170,981.46x = 2,450,957,736,075,556.50
5. Step 5: Solve for x
   x = 2,450,957,736,075,556.50/57,170,981.46
6. Step 6: Final answer
   x = 42,870,660.49