Finding the Fourth Proportional to 57,034,410.76, 78,707,528.35 and 30,928,921.98

Step by Step Solution

1. Step 1: Write the proportion equation
   57,034,410.76 : 78,707,528.35 = 30,928,921.98 : x
2. Step 2: Convert to fraction form
   57,034,410.76/78,707,528.35 = 30,928,921.98/x
3. Step 3: Cross multiply
   57,034,410.76x = 78,707,528.35 × 30,928,921.98
4. Step 4: Simplify right side
   57,034,410.76x = 2,434,339,003,203,312.50
5. Step 5: Solve for x
   x = 2,434,339,003,203,312.50/57,034,410.76
6. Step 6: Final answer
   x = 42,681,934.83