Finding the Fourth Proportional to 9,691,721.64, 13,374,663.72 and 5,340,963.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,691,721.64 : 13,374,663.72 = 5,340,963.84 : x
2. Step 2: Convert to fraction form
   9,691,721.64/13,374,663.72 = 5,340,963.84/x
3. Step 3: Cross multiply
   9,691,721.64x = 13,374,663.72 × 5,340,963.84
4. Step 4: Simplify right side
   9,691,721.64x = 71,433,595,300,679.89
5. Step 5: Solve for x
   x = 71,433,595,300,679.89/9,691,721.64
6. Step 6: Final answer
   x = 7,370,578.52