Finding the Fourth Proportional to 112,789.29, 155,642.00 and 61,801.41

Step by Step Solution

1. Step 1: Write the proportion equation
   112,789.29 : 155,642.00 = 61,801.41 : x
2. Step 2: Convert to fraction form
   112,789.29/155,642.00 = 61,801.41/x
3. Step 3: Cross multiply
   112,789.29x = 155,642.00 × 61,801.41
4. Step 4: Simplify right side
   112,789.29x = 9,618,894,746.21
5. Step 5: Solve for x
   x = 9,618,894,746.21/112,789.29
6. Step 6: Final answer
   x = 85,281.99