Finding the Fourth Proportional to 90,200.98, 134,748.37 and 65,026.18

Step by Step Solution

1. Step 1: Write the proportion equation
   90,200.98 : 134,748.37 = 65,026.18 : x
2. Step 2: Convert to fraction form
   90,200.98/134,748.37 = 65,026.18/x
3. Step 3: Cross multiply
   90,200.98x = 134,748.37 × 65,026.18
4. Step 4: Simplify right side
   90,200.98x = 8,762,171,762.33
5. Step 5: Solve for x
   x = 8,762,171,762.33/90,200.98
6. Step 6: Final answer
   x = 97,140.54