Finding the Fourth Proportional to 9,186,167.88, 12,676,087.71 and 5,318,950.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,186,167.88 : 12,676,087.71 = 5,318,950.05 : x
2. Step 2: Convert to fraction form
   9,186,167.88/12,676,087.71 = 5,318,950.05/x
3. Step 3: Cross multiply
   9,186,167.88x = 12,676,087.71 × 5,318,950.05
4. Step 4: Simplify right side
   9,186,167.88x = 67,423,477,358,908.89
5. Step 5: Solve for x
   x = 67,423,477,358,908.89/9,186,167.88
6. Step 6: Final answer
   x = 7,339,673.98