Finding the Fourth Proportional to 99,945.15, 149,900.45 and 37,616.19

Step by Step Solution

1. Step 1: Write the proportion equation
   99,945.15 : 149,900.45 = 37,616.19 : x
2. Step 2: Convert to fraction form
   99,945.15/149,900.45 = 37,616.19/x
3. Step 3: Cross multiply
   99,945.15x = 149,900.45 × 37,616.19
4. Step 4: Simplify right side
   99,945.15x = 5,638,683,620.20
5. Step 5: Solve for x
   x = 5,638,683,620.20/99,945.15
6. Step 6: Final answer
   x = 56,417.78