Finding the Fourth Proportional to 3,947,632.72, 5,445,459.16 and 2,376,670.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947,632.72 : 5,445,459.16 = 2,376,670.88 : x
2. Step 2: Convert to fraction form
   3,947,632.72/5,445,459.16 = 2,376,670.88/x
3. Step 3: Cross multiply
   3,947,632.72x = 5,445,459.16 × 2,376,670.88
4. Step 4: Simplify right side
   3,947,632.72x = 12,942,064,213,801.26
5. Step 5: Solve for x
   x = 12,942,064,213,801.26/3,947,632.72
6. Step 6: Final answer
   x = 3,278,436.76