Finding the Fourth Proportional to 9,742,142.16, 13,443,825.15 and 5,391,411.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,742,142.16 : 13,443,825.15 = 5,391,411.84 : x
2. Step 2: Convert to fraction form
   9,742,142.16/13,443,825.15 = 5,391,411.84/x
3. Step 3: Cross multiply
   9,742,142.16x = 13,443,825.15 × 5,391,411.84
4. Step 4: Simplify right side
   9,742,142.16x = 72,481,198,088,599.78
5. Step 5: Solve for x
   x = 72,481,198,088,599.78/9,742,142.16
6. Step 6: Final answer
   x = 7,439,965.14