Finding the Fourth Proportional to 12,139,826.77, 16,741,573.05 and 7,790,282.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,139,826.77 : 16,741,573.05 = 7,790,282.29 : x
2. Step 2: Convert to fraction form
   12,139,826.77/16,741,573.05 = 7,790,282.29/x
3. Step 3: Cross multiply
   12,139,826.77x = 16,741,573.05 × 7,790,282.29
4. Step 4: Simplify right side
   12,139,826.77x = 130,421,580,038,156.30
5. Step 5: Solve for x
   x = 130,421,580,038,156.30/12,139,826.77
6. Step 6: Final answer
   x = 10,743,281.80