Finding the Fourth Proportional to 19,499,123.87, 26,908,462.20 and 10,797,109.65

Step by Step Solution

1. Step 1: Write the proportion equation
   19,499,123.87 : 26,908,462.20 = 10,797,109.65 : x
2. Step 2: Convert to fraction form
   19,499,123.87/26,908,462.20 = 10,797,109.65/x
3. Step 3: Cross multiply
   19,499,123.87x = 26,908,462.20 × 10,797,109.65
4. Step 4: Simplify right side
   19,499,123.87x = 290,533,616,881,227.19
5. Step 5: Solve for x
   x = 290,533,616,881,227.19/19,499,123.87
6. Step 6: Final answer
   x = 14,899,829.28