Finding the Fourth Proportional to 141,091.77, 194,706.69 and 77,429.61

Step by Step Solution

1. Step 1: Write the proportion equation
   141,091.77 : 194,706.69 = 77,429.61 : x
2. Step 2: Convert to fraction form
   141,091.77/194,706.69 = 77,429.61/x
3. Step 3: Cross multiply
   141,091.77x = 194,706.69 × 77,429.61
4. Step 4: Simplify right side
   141,091.77x = 15,076,063,071.09
5. Step 5: Solve for x
   x = 15,076,063,071.09/141,091.77
6. Step 6: Final answer
   x = 106,852.89