Finding the Fourth Proportional to 11,354,098.61, 17,030,987.53 and 5,285,436.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,354,098.61 : 17,030,987.53 = 5,285,436.05 : x
2. Step 2: Convert to fraction form
   11,354,098.61/17,030,987.53 = 5,285,436.05/x
3. Step 3: Cross multiply
   11,354,098.61x = 17,030,987.53 × 5,285,436.05
4. Step 4: Simplify right side
   11,354,098.61x = 90,016,195,406,594.97
5. Step 5: Solve for x
   x = 90,016,195,406,594.97/11,354,098.61
6. Step 6: Final answer
   x = 7,928,079.41