Finding the Fourth Proportional to 112,784.18, 155,648.69 and 61,797

Step by Step Solution

1. Step 1: Write the proportion equation
   112,784.18 : 155,648.69 = 61,797 : x
2. Step 2: Convert to fraction form
   112,784.18/155,648.69 = 61,797/x
3. Step 3: Cross multiply
   112,784.18x = 155,648.69 × 61,797
4. Step 4: Simplify right side
   112,784.18x = 9,618,622,095.93
5. Step 5: Solve for x
   x = 9,618,622,095.93/112,784.18
6. Step 6: Final answer
   x = 85,283.43