Finding the Fourth Proportional to 12,413,490.27, 17,130,348.05 and 7,186,718.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,413,490.27 : 17,130,348.05 = 7,186,718.82 : x
2. Step 2: Convert to fraction form
   12,413,490.27/17,130,348.05 = 7,186,718.82/x
3. Step 3: Cross multiply
   12,413,490.27x = 17,130,348.05 × 7,186,718.82
4. Step 4: Simplify right side
   12,413,490.27x = 123,110,994,602,499.98
5. Step 5: Solve for x
   x = 123,110,994,602,499.98/12,413,490.27
6. Step 6: Final answer
   x = 9,917,516.51