Finding the Fourth Proportional to 17,781,585.69, 26,676,185.83 and 5,318,769.85

Step by Step Solution

1. Step 1: Write the proportion equation
   17,781,585.69 : 26,676,185.83 = 5,318,769.85 : x
2. Step 2: Convert to fraction form
   17,781,585.69/26,676,185.83 = 5,318,769.85/x
3. Step 3: Cross multiply
   17,781,585.69x = 26,676,185.83 × 5,318,769.85
4. Step 4: Simplify right side
   17,781,585.69x = 141,884,492,825,613.84
5. Step 5: Solve for x
   x = 141,884,492,825,613.84/17,781,585.69
6. Step 6: Final answer
   x = 7,979,293.59