Finding the Fourth Proportional to 113,222.79, 169,854.71 and 92,347.88

Step by Step Solution

1. Step 1: Write the proportion equation
   113,222.79 : 169,854.71 = 92,347.88 : x
2. Step 2: Convert to fraction form
   113,222.79/169,854.71 = 92,347.88/x
3. Step 3: Cross multiply
   113,222.79x = 169,854.71 × 92,347.88
4. Step 4: Simplify right side
   113,222.79x = 15,685,721,065.50
5. Step 5: Solve for x
   x = 15,685,721,065.50/113,222.79
6. Step 6: Final answer
   x = 138,538.55