Finding the Fourth Proportional to 9,641,908.29, 13,306,036.72 and 5,290,956.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,641,908.29 : 13,306,036.72 = 5,290,956.54 : x
2. Step 2: Convert to fraction form
   9,641,908.29/13,306,036.72 = 5,290,956.54/x
3. Step 3: Cross multiply
   9,641,908.29x = 13,306,036.72 × 5,290,956.54
4. Step 4: Simplify right side
   9,641,908.29x = 70,401,662,005,164.16
5. Step 5: Solve for x
   x = 70,401,662,005,164.16/9,641,908.29
6. Step 6: Final answer
   x = 7,301,631.57