Finding the Fourth Proportional to 66,094.43, 91,389.72 and 65,026.14

Step by Step Solution

1. Step 1: Write the proportion equation
   66,094.43 : 91,389.72 = 65,026.14 : x
2. Step 2: Convert to fraction form
   66,094.43/91,389.72 = 65,026.14/x
3. Step 3: Cross multiply
   66,094.43x = 91,389.72 × 65,026.14
4. Step 4: Simplify right side
   66,094.43x = 5,942,720,776.71
5. Step 5: Solve for x
   x = 5,942,720,776.71/66,094.43
6. Step 6: Final answer
   x = 89,912.58