Finding the Fourth Proportional to 112,814.78, 155,679.77 and 67,465.98

Step by Step Solution

1. Step 1: Write the proportion equation
   112,814.78 : 155,679.77 = 67,465.98 : x
2. Step 2: Convert to fraction form
   112,814.78/155,679.77 = 67,465.98/x
3. Step 3: Cross multiply
   112,814.78x = 155,679.77 × 67,465.98
4. Step 4: Simplify right side
   112,814.78x = 10,503,088,417.89
5. Step 5: Solve for x
   x = 10,503,088,417.89/112,814.78
6. Step 6: Final answer
   x = 93,100.29