Finding the Fourth Proportional to 8,719,712.32, 12,026,386.56 and 5,664,910.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,719,712.32 : 12,026,386.56 = 5,664,910.72 : x
2. Step 2: Convert to fraction form
   8,719,712.32/12,026,386.56 = 5,664,910.72/x
3. Step 3: Cross multiply
   8,719,712.32x = 12,026,386.56 × 5,664,910.72
4. Step 4: Simplify right side
   8,719,712.32x = 68,128,406,146,607.92
5. Step 5: Solve for x
   x = 68,128,406,146,607.92/8,719,712.32
6. Step 6: Final answer
   x = 7,813,148.38