Finding the Fourth Proportional to 65,426.10, 91,803.90 and 65,426.10

Step by Step Solution

1. Step 1: Write the proportion equation
   65,426.10 : 91,803.90 = 65,426.10 : x
2. Step 2: Convert to fraction form
   65,426.10/91,803.90 = 65,426.10/x
3. Step 3: Cross multiply
   65,426.10x = 91,803.90 × 65,426.10
4. Step 4: Simplify right side
   65,426.10x = 6,006,371,141.79
5. Step 5: Solve for x
   x = 6,006,371,141.79/65,426.10
6. Step 6: Final answer
   x = 91,803.90