Finding the Fourth Proportional to 249,401.58, 374,251.41 and 91,645.98

Step by Step Solution

1. Step 1: Write the proportion equation
   249,401.58 : 374,251.41 = 91,645.98 : x
2. Step 2: Convert to fraction form
   249,401.58/374,251.41 = 91,645.98/x
3. Step 3: Cross multiply
   249,401.58x = 374,251.41 × 91,645.98
4. Step 4: Simplify right side
   249,401.58x = 34,298,634,906.34
5. Step 5: Solve for x
   x = 34,298,634,906.34/249,401.58
6. Step 6: Final answer
   x = 137,523.73