Finding the Fourth Proportional to 11,113,826.10, 16,639,246.35 and 9,980,085.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,113,826.10 : 16,639,246.35 = 9,980,085.30 : x
2. Step 2: Convert to fraction form
   11,113,826.10/16,639,246.35 = 9,980,085.30/x
3. Step 3: Cross multiply
   11,113,826.10x = 16,639,246.35 × 9,980,085.30
4. Step 4: Simplify right side
   11,113,826.10x = 166,061,097,900,713.66
5. Step 5: Solve for x
   x = 166,061,097,900,713.66/11,113,826.10
6. Step 6: Final answer
   x = 14,941,847.79