Finding the Fourth Proportional to 83,858.68, 115,741.52 and 48,072.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,858.68 : 115,741.52 = 48,072.72 : x
2. Step 2: Convert to fraction form
   83,858.68/115,741.52 = 48,072.72/x
3. Step 3: Cross multiply
   83,858.68x = 115,741.52 × 48,072.72
4. Step 4: Simplify right side
   83,858.68x = 5,564,009,683.33
5. Step 5: Solve for x
   x = 5,564,009,683.33/83,858.68
6. Step 6: Final answer
   x = 66,349.84