Finding the Fourth Proportional to 10,083,404.84, 15,060,812.23 and 9,122,378.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,083,404.84 : 15,060,812.23 = 9,122,378.72 : x
2. Step 2: Convert to fraction form
   10,083,404.84/15,060,812.23 = 9,122,378.72/x
3. Step 3: Cross multiply
   10,083,404.84x = 15,060,812.23 × 9,122,378.72
4. Step 4: Simplify right side
   10,083,404.84x = 137,390,432,947,255.86
5. Step 5: Solve for x
   x = 137,390,432,947,255.86/10,083,404.84
6. Step 6: Final answer
   x = 13,625,400.86