Finding the Fourth Proportional to 10,830,488.56, 14,937,464.82 and 9,204,279.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,830,488.56 : 14,937,464.82 = 9,204,279.10 : x
2. Step 2: Convert to fraction form
   10,830,488.56/14,937,464.82 = 9,204,279.10/x
3. Step 3: Cross multiply
   10,830,488.56x = 14,937,464.82 × 9,204,279.10
4. Step 4: Simplify right side
   10,830,488.56x = 137,488,595,249,711.27
5. Step 5: Solve for x
   x = 137,488,595,249,711.27/10,830,488.56
6. Step 6: Final answer
   x = 12,694,588.47