Finding the Fourth Proportional to 86,002,832.06, 128,956,658.98 and 34,134,890.30

Step by Step Solution

1. Step 1: Write the proportion equation
   86,002,832.06 : 128,956,658.98 = 34,134,890.30 : x
2. Step 2: Convert to fraction form
   86,002,832.06/128,956,658.98 = 34,134,890.30/x
3. Step 3: Cross multiply
   86,002,832.06x = 128,956,658.98 × 34,134,890.30
4. Step 4: Simplify right side
   86,002,832.06x = 4,401,921,407,736,809.50
5. Step 5: Solve for x
   x = 4,401,921,407,736,809.50/86,002,832.06
6. Step 6: Final answer
   x = 51,183,447.13