Finding the Fourth Proportional to 57,033,947.10, 78,706,867.95 and 30,928,458.18

Step by Step Solution

1. Step 1: Write the proportion equation
   57,033,947.10 : 78,706,867.95 = 30,928,458.18 : x
2. Step 2: Convert to fraction form
   57,033,947.10/78,706,867.95 = 30,928,458.18/x
3. Step 3: Cross multiply
   57,033,947.10x = 78,706,867.95 × 30,928,458.18
4. Step 4: Simplify right side
   57,033,947.10x = 2,434,282,073,870,357.50
5. Step 5: Solve for x
   x = 2,434,282,073,870,357.50/57,033,947.10
6. Step 6: Final answer
   x = 42,681,283.65