Finding the Fourth Proportional to 8,087,558.78, 12,117,886.06 and 5,686,368.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,087,558.78 : 12,117,886.06 = 5,686,368.10 : x
2. Step 2: Convert to fraction form
   8,087,558.78/12,117,886.06 = 5,686,368.10/x
3. Step 3: Cross multiply
   8,087,558.78x = 12,117,886.06 × 5,686,368.10
4. Step 4: Simplify right side
   8,087,558.78x = 68,906,760,731,018.69
5. Step 5: Solve for x
   x = 68,906,760,731,018.69/8,087,558.78
6. Step 6: Final answer
   x = 8,520,093.96