Finding the Fourth Proportional to 413,061,172.71, 619,364,855.39 and 283,701,330.15

Step by Step Solution

1. Step 1: Write the proportion equation
   413,061,172.71 : 619,364,855.39 = 283,701,330.15 : x
2. Step 2: Convert to fraction form
   413,061,172.71/619,364,855.39 = 283,701,330.15/x
3. Step 3: Cross multiply
   413,061,172.71x = 619,364,855.39 × 283,701,330.15
4. Step 4: Simplify right side
   413,061,172.71x = 175,714,633,320,886,880
5. Step 5: Solve for x
   x = 175,714,633,320,886,880/413,061,172.71
6. Step 6: Final answer
   x = 425,396,151.78