Finding the Fourth Proportional to 61,333.72, 91,918.60 and 32,812.16

Step by Step Solution

1. Step 1: Write the proportion equation
   61,333.72 : 91,918.60 = 32,812.16 : x
2. Step 2: Convert to fraction form
   61,333.72/91,918.60 = 32,812.16/x
3. Step 3: Cross multiply
   61,333.72x = 91,918.60 × 32,812.16
4. Step 4: Simplify right side
   61,333.72x = 3,016,047,810.18
5. Step 5: Solve for x
   x = 3,016,047,810.18/61,333.72
6. Step 6: Final answer
   x = 49,174.38