Finding the Fourth Proportional to 18,166,100.58, 25,069,824.18 and 9,906,614.82

Step by Step Solution

1. Step 1: Write the proportion equation
   18,166,100.58 : 25,069,824.18 = 9,906,614.82 : x
2. Step 2: Convert to fraction form
   18,166,100.58/25,069,824.18 = 9,906,614.82/x
3. Step 3: Cross multiply
   18,166,100.58x = 25,069,824.18 × 9,906,614.82
4. Step 4: Simplify right side
   18,166,100.58x = 248,357,091,756,382.34
5. Step 5: Solve for x
   x = 248,357,091,756,382.34/18,166,100.58
6. Step 6: Final answer
   x = 13,671,458.59