Finding the Fourth Proportional to 112,156.86, 154,775.81 and 61,168.62

Step by Step Solution

1. Step 1: Write the proportion equation
   112,156.86 : 154,775.81 = 61,168.62 : x
2. Step 2: Convert to fraction form
   112,156.86/154,775.81 = 61,168.62/x
3. Step 3: Cross multiply
   112,156.86x = 154,775.81 × 61,168.62
4. Step 4: Simplify right side
   112,156.86x = 9,467,422,860.00
5. Step 5: Solve for x
   x = 9,467,422,860.00/112,156.86
6. Step 6: Final answer
   x = 84,412.34