Finding the Fourth Proportional to 112,839.05, 169,008.99 and 46,076.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,839.05 : 169,008.99 = 46,076.72 : x
2. Step 2: Convert to fraction form
   112,839.05/169,008.99 = 46,076.72/x
3. Step 3: Cross multiply
   112,839.05x = 169,008.99 × 46,076.72
4. Step 4: Simplify right side
   112,839.05x = 7,787,379,909.71
5. Step 5: Solve for x
   x = 7,787,379,909.71/112,839.05
6. Step 6: Final answer
   x = 69,013.16