Finding the Fourth Proportional to 112,751.89, 155,595.74 and 61,764.15

Step by Step Solution

1. Step 1: Write the proportion equation
   112,751.89 : 155,595.74 = 61,764.15 : x
2. Step 2: Convert to fraction form
   112,751.89/155,595.74 = 61,764.15/x
3. Step 3: Cross multiply
   112,751.89x = 155,595.74 × 61,764.15
4. Step 4: Simplify right side
   112,751.89x = 9,610,238,624.72
5. Step 5: Solve for x
   x = 9,610,238,624.72/112,751.89
6. Step 6: Final answer
   x = 85,233.50