Finding the Fourth Proportional to 11,898,328, 16,421,092.32 and 7,069,432

Step by Step Solution

1. Step 1: Write the proportion equation
   11,898,328 : 16,421,092.32 = 7,069,432 : x
2. Step 2: Convert to fraction form
   11,898,328/16,421,092.32 = 7,069,432/x
3. Step 3: Cross multiply
   11,898,328x = 16,421,092.32 × 7,069,432
4. Step 4: Simplify right side
   11,898,328x = 116,087,795,521,962.23
5. Step 5: Solve for x
   x = 116,087,795,521,962.23/11,898,328
6. Step 6: Final answer
   x = 9,756,647.78