Finding the Fourth Proportional to 11,839,677.12, 17,756,432.89 and 5,012,736.21

Step by Step Solution

1. Step 1: Write the proportion equation
   11,839,677.12 : 17,756,432.89 = 5,012,736.21 : x
2. Step 2: Convert to fraction form
   11,839,677.12/17,756,432.89 = 5,012,736.21/x
3. Step 3: Cross multiply
   11,839,677.12x = 17,756,432.89 × 5,012,736.21
4. Step 4: Simplify right side
   11,839,677.12x = 89,008,314,108,137.95
5. Step 5: Solve for x
   x = 89,008,314,108,137.95/11,839,677.12
6. Step 6: Final answer
   x = 7,517,799.11