Finding the Fourth Proportional to 111,844, 154,345.80 and 61,544.08

Step by Step Solution

1. Step 1: Write the proportion equation
   111,844 : 154,345.80 = 61,544.08 : x
2. Step 2: Convert to fraction form
   111,844/154,345.80 = 61,544.08/x
3. Step 3: Cross multiply
   111,844x = 154,345.80 × 61,544.08
4. Step 4: Simplify right side
   111,844x = 9,499,070,262.86
5. Step 5: Solve for x
   x = 9,499,070,262.86/111,844
6. Step 6: Final answer
   x = 84,931.42