Finding the Fourth Proportional to 12,413,599.58, 17,130,498.45 and 7,186,827.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,413,599.58 : 17,130,498.45 = 7,186,827.98 : x
2. Step 2: Convert to fraction form
   12,413,599.58/17,130,498.45 = 7,186,827.98/x
3. Step 3: Cross multiply
   12,413,599.58x = 17,130,498.45 × 7,186,827.98
4. Step 4: Simplify right side
   12,413,599.58x = 123,113,945,571,806.64
5. Step 5: Solve for x
   x = 123,113,945,571,806.64/12,413,599.58
6. Step 6: Final answer
   x = 9,917,666.89