Finding the Fourth Proportional to 11,898,326, 16,421,089.56 and 7,069,430

Step by Step Solution

1. Step 1: Write the proportion equation
   11,898,326 : 16,421,089.56 = 7,069,430 : x
2. Step 2: Convert to fraction form
   11,898,326/16,421,089.56 = 7,069,430/x
3. Step 3: Cross multiply
   11,898,326x = 16,421,089.56 × 7,069,430
4. Step 4: Simplify right side
   11,898,326x = 116,087,743,168,150.80
5. Step 5: Solve for x
   x = 116,087,743,168,150.80/11,898,326
6. Step 6: Final answer
   x = 9,756,645.02