Finding the Fourth Proportional to 111,943.02, 154,480.59 and 61,642.02

Step by Step Solution

1. Step 1: Write the proportion equation
   111,943.02 : 154,480.59 = 61,642.02 : x
2. Step 2: Convert to fraction form
   111,943.02/154,480.59 = 61,642.02/x
3. Step 3: Cross multiply
   111,943.02x = 154,480.59 × 61,642.02
4. Step 4: Simplify right side
   111,943.02x = 9,522,495,618.39
5. Step 5: Solve for x
   x = 9,522,495,618.39/111,943.02
6. Step 6: Final answer
   x = 85,065.56