Finding the Fourth Proportional to 99,123.23, 149,427.62 and 92,524.37

Step by Step Solution

1. Step 1: Write the proportion equation
   99,123.23 : 149,427.62 = 92,524.37 : x
2. Step 2: Convert to fraction form
   99,123.23/149,427.62 = 92,524.37/x
3. Step 3: Cross multiply
   99,123.23x = 149,427.62 × 92,524.37
4. Step 4: Simplify right side
   99,123.23x = 13,825,695,191.34
5. Step 5: Solve for x
   x = 13,825,695,191.34/99,123.23
6. Step 6: Final answer
   x = 139,479.88