Finding the Fourth Proportional to 57,170,973.63, 78,896,443.41 and 31,065,491.37

Step by Step Solution

1. Step 1: Write the proportion equation
   57,170,973.63 : 78,896,443.41 = 31,065,491.37 : x
2. Step 2: Convert to fraction form
   57,170,973.63/78,896,443.41 = 31,065,491.37/x
3. Step 3: Cross multiply
   57,170,973.63x = 78,896,443.41 × 31,065,491.37
4. Step 4: Simplify right side
   57,170,973.63x = 2,450,956,781,877,048.50
5. Step 5: Solve for x
   x = 2,450,956,781,877,048.50/57,170,973.63
6. Step 6: Final answer
   x = 42,870,649.67