Finding the Fourth Proportional to 12,248,945.75, 18,361,067.55 and 7,703,243.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,248,945.75 : 18,361,067.55 = 7,703,243.17 : x
2. Step 2: Convert to fraction form
   12,248,945.75/18,361,067.55 = 7,703,243.17/x
3. Step 3: Cross multiply
   12,248,945.75x = 18,361,067.55 × 7,703,243.17
4. Step 4: Simplify right side
   12,248,945.75x = 141,439,768,123,656.31
5. Step 5: Solve for x
   x = 141,439,768,123,656.31/12,248,945.75
6. Step 6: Final answer
   x = 11,547,097.28