Finding the Fourth Proportional to 7,778,606,503.76, 10,734,477,499.88 and 4,258,341,319.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,778,606,503.76 : 10,734,477,499.88 = 4,258,341,319.76 : x
2. Step 2: Convert to fraction form
   7,778,606,503.76/10,734,477,499.88 = 4,258,341,319.76/x
3. Step 3: Cross multiply
   7,778,606,503.76x = 10,734,477,499.88 × 4,258,341,319.76
4. Step 4: Simplify right side
   7,778,606,503.76x = 45,711,069,083,698,061,312
5. Step 5: Solve for x
   x = 45,711,069,083,698,061,312/7,778,606,503.76
6. Step 6: Final answer
   x = 5,876,511,308.50