Finding the Fourth Proportional to 9,528,409.62, 13,149,288.31 and 5,177,496.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,528,409.62 : 13,149,288.31 = 5,177,496.00 : x
2. Step 2: Convert to fraction form
   9,528,409.62/13,149,288.31 = 5,177,496.00/x
3. Step 3: Cross multiply
   9,528,409.62x = 13,149,288.31 × 5,177,496.00
4. Step 4: Simplify right side
   9,528,409.62x = 68,080,387,549,181.58
5. Step 5: Solve for x
   x = 68,080,387,549,181.58/9,528,409.62
6. Step 6: Final answer
   x = 7,144,989.59