Finding the Fourth Proportional to 8,826,878,014.53, 12,180,740,804.83 and 5,211,066,471.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,826,878,014.53 : 12,180,740,804.83 = 5,211,066,471.12 : x
2. Step 2: Convert to fraction form
   8,826,878,014.53/12,180,740,804.83 = 5,211,066,471.12/x
3. Step 3: Cross multiply
   8,826,878,014.53x = 12,180,740,804.83 × 5,211,066,471.12
4. Step 4: Simplify right side
   8,826,878,014.53x = 63,474,650,001,458,061,312
5. Step 5: Solve for x
   x = 63,474,650,001,458,061,312/8,826,878,014.53
6. Step 6: Final answer
   x = 7,191,064,598.04