Finding the Fourth Proportional to 90,196.27, 135,254.41 and 48,068.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,196.27 : 135,254.41 = 48,068.50 : x
2. Step 2: Convert to fraction form
   90,196.27/135,254.41 = 48,068.50/x
3. Step 3: Cross multiply
   90,196.27x = 135,254.41 × 48,068.50
4. Step 4: Simplify right side
   90,196.27x = 6,501,476,607.09
5. Step 5: Solve for x
   x = 6,501,476,607.09/90,196.27
6. Step 6: Final answer
   x = 72,081.44