Finding the Fourth Proportional to 90,598.68, 135,759.42 and 37,979.46

Step by Step Solution

1. Step 1: Write the proportion equation
   90,598.68 : 135,759.42 = 37,979.46 : x
2. Step 2: Convert to fraction form
   90,598.68/135,759.42 = 37,979.46/x
3. Step 3: Cross multiply
   90,598.68x = 135,759.42 × 37,979.46
4. Step 4: Simplify right side
   90,598.68x = 5,156,069,461.51
5. Step 5: Solve for x
   x = 5,156,069,461.51/90,598.68
6. Step 6: Final answer
   x = 56,911.09