Finding the Fourth Proportional to 91,906.63, 137,878.38 and 41,973.30

Step by Step Solution

1. Step 1: Write the proportion equation
   91,906.63 : 137,878.38 = 41,973.30 : x
2. Step 2: Convert to fraction form
   91,906.63/137,878.38 = 41,973.30/x
3. Step 3: Cross multiply
   91,906.63x = 137,878.38 × 41,973.30
4. Step 4: Simplify right side
   91,906.63x = 5,787,210,607.25
5. Step 5: Solve for x
   x = 5,787,210,607.25/91,906.63
6. Step 6: Final answer
   x = 62,968.37