Finding the Fourth Proportional to 249,719.58, 374,404.38 and 91,927.56

Step by Step Solution

1. Step 1: Write the proportion equation
   249,719.58 : 374,404.38 = 91,927.56 : x
2. Step 2: Convert to fraction form
   249,719.58/374,404.38 = 91,927.56/x
3. Step 3: Cross multiply
   249,719.58x = 374,404.38 × 91,927.56
4. Step 4: Simplify right side
   249,719.58x = 34,418,081,106.71
5. Step 5: Solve for x
   x = 34,418,081,106.71/249,719.58
6. Step 6: Final answer
   x = 137,826.92