Finding the Fourth Proportional to 85,408,014.24, 128,085,525.12 and 30,813,502.56

Step by Step Solution

1. Step 1: Write the proportion equation
   85,408,014.24 : 128,085,525.12 = 30,813,502.56 : x
2. Step 2: Convert to fraction form
   85,408,014.24/128,085,525.12 = 30,813,502.56/x
3. Step 3: Cross multiply
   85,408,014.24x = 128,085,525.12 × 30,813,502.56
4. Step 4: Simplify right side
   85,408,014.24x = 3,946,763,656,184,064.50
5. Step 5: Solve for x
   x = 3,946,763,656,184,064.50/85,408,014.24
6. Step 6: Final answer
   x = 46,210,694.53