Finding the Fourth Proportional to 12,117,723.39, 18,176,535.27 and 4,929,196.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,117,723.39 : 18,176,535.27 = 4,929,196.55 : x
2. Step 2: Convert to fraction form
   12,117,723.39/18,176,535.27 = 4,929,196.55/x
3. Step 3: Cross multiply
   12,117,723.39x = 18,176,535.27 × 4,929,196.55
4. Step 4: Simplify right side
   12,117,723.39x = 89,595,714,852,954.64
5. Step 5: Solve for x
   x = 89,595,714,852,954.64/12,117,723.39
6. Step 6: Final answer
   x = 7,393,774.55