Finding the Fourth Proportional to 10,885,164.61, 15,021,522.82 and 5,990,386.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,885,164.61 : 15,021,522.82 = 5,990,386.70 : x
2. Step 2: Convert to fraction form
   10,885,164.61/15,021,522.82 = 5,990,386.70/x
3. Step 3: Cross multiply
   10,885,164.61x = 15,021,522.82 × 5,990,386.70
4. Step 4: Simplify right side
   10,885,164.61x = 89,984,730,514,674.50
5. Step 5: Solve for x
   x = 89,984,730,514,674.50/10,885,164.61
6. Step 6: Final answer
   x = 8,266,731.26