Finding the Fourth Proportional to 112,404.18, 155,113.16 and 61,418.67

Step by Step Solution

1. Step 1: Write the proportion equation
   112,404.18 : 155,113.16 = 61,418.67 : x
2. Step 2: Convert to fraction form
   112,404.18/155,113.16 = 61,418.67/x
3. Step 3: Cross multiply
   112,404.18x = 155,113.16 × 61,418.67
4. Step 4: Simplify right side
   112,404.18x = 9,526,843,097.93
5. Step 5: Solve for x
   x = 9,526,843,097.93/112,404.18
6. Step 6: Final answer
   x = 84,755.24