Finding the Fourth Proportional to 111,448.89, 153,802.14 and 61,147.89

Step by Step Solution

1. Step 1: Write the proportion equation
   111,448.89 : 153,802.14 = 61,147.89 : x
2. Step 2: Convert to fraction form
   111,448.89/153,802.14 = 61,147.89/x
3. Step 3: Cross multiply
   111,448.89x = 153,802.14 × 61,147.89
4. Step 4: Simplify right side
   111,448.89x = 9,404,676,338.48
5. Step 5: Solve for x
   x = 9,404,676,338.48/111,448.89
6. Step 6: Final answer
   x = 84,385.55