Finding the Fourth Proportional to 11,747,419.34, 17,621,978.28 and 4,917,123.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,747,419.34 : 17,621,978.28 = 4,917,123.09 : x
2. Step 2: Convert to fraction form
   11,747,419.34/17,621,978.28 = 4,917,123.09/x
3. Step 3: Cross multiply
   11,747,419.34x = 17,621,978.28 × 4,917,123.09
4. Step 4: Simplify right side
   11,747,419.34x = 86,649,436,292,066.48
5. Step 5: Solve for x
   x = 86,649,436,292,066.48/11,747,419.34
6. Step 6: Final answer
   x = 7,376,040.12