Finding the Fourth Proportional to 91,620.32, 137,428.54 and 25,060.46

Step by Step Solution

1. Step 1: Write the proportion equation
   91,620.32 : 137,428.54 = 25,060.46 : x
2. Step 2: Convert to fraction form
   91,620.32/137,428.54 = 25,060.46/x
3. Step 3: Cross multiply
   91,620.32x = 137,428.54 × 25,060.46
4. Step 4: Simplify right side
   91,620.32x = 3,444,021,679.73
5. Step 5: Solve for x
   x = 3,444,021,679.73/91,620.32
6. Step 6: Final answer
   x = 37,590.15