Finding the Fourth Proportional to 830,701,002.06, 1,146,118,508.33 and 478,267,931.30

Step by Step Solution

1. Step 1: Write the proportion equation
   830,701,002.06 : 1,146,118,508.33 = 478,267,931.30 : x
2. Step 2: Convert to fraction form
   830,701,002.06/1,146,118,508.33 = 478,267,931.30/x
3. Step 3: Cross multiply
   830,701,002.06x = 1,146,118,508.33 × 478,267,931.30
4. Step 4: Simplify right side
   830,701,002.06x = 548,151,727,995,509,056
5. Step 5: Solve for x
   x = 548,151,727,995,509,056/830,701,002.06
6. Step 6: Final answer
   x = 659,866,458.13