Finding the Fourth Proportional to 11,706,499.71, 17,565,804.18 and 8,494,518.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,706,499.71 : 17,565,804.18 = 8,494,518.78 : x
2. Step 2: Convert to fraction form
   11,706,499.71/17,565,804.18 = 8,494,518.78/x
3. Step 3: Cross multiply
   11,706,499.71x = 17,565,804.18 × 8,494,518.78
4. Step 4: Simplify right side
   11,706,499.71x = 149,213,053,492,812.50
5. Step 5: Solve for x
   x = 149,213,053,492,812.50/11,706,499.71
6. Step 6: Final answer
   x = 12,746,171.54