Finding the Fourth Proportional to 8,109,404.10, 12,164,106.15 and 4,920,758.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,109,404.10 : 12,164,106.15 = 4,920,758.10 : x
2. Step 2: Convert to fraction form
   8,109,404.10/12,164,106.15 = 4,920,758.10/x
3. Step 3: Cross multiply
   8,109,404.10x = 12,164,106.15 × 4,920,758.10
4. Step 4: Simplify right side
   8,109,404.10x = 59,856,623,866,872.31
5. Step 5: Solve for x
   x = 59,856,623,866,872.31/8,109,404.10
6. Step 6: Final answer
   x = 7,381,137.15