Finding the Fourth Proportional to 90,529.96, 135,598.38 and 55,363

Step by Step Solution

1. Step 1: Write the proportion equation
   90,529.96 : 135,598.38 = 55,363 : x
2. Step 2: Convert to fraction form
   90,529.96/135,598.38 = 55,363/x
3. Step 3: Cross multiply
   90,529.96x = 135,598.38 × 55,363
4. Step 4: Simplify right side
   90,529.96x = 7,507,133,111.94
5. Step 5: Solve for x
   x = 7,507,133,111.94/90,529.96
6. Step 6: Final answer
   x = 82,924.30