Finding the Fourth Proportional to 9,820,155.30, 13,551,286.82 and 5,409,736.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,820,155.30 : 13,551,286.82 = 5,409,736.35 : x
2. Step 2: Convert to fraction form
   9,820,155.30/13,551,286.82 = 5,409,736.35/x
3. Step 3: Cross multiply
   9,820,155.30x = 13,551,286.82 × 5,409,736.35
4. Step 4: Simplify right side
   9,820,155.30x = 73,308,888,872,381.22
5. Step 5: Solve for x
   x = 73,308,888,872,381.22/9,820,155.30
6. Step 6: Final answer
   x = 7,465,145.57