Finding the Fourth Proportional to 60,740.71, 91,124.01 and 21,300.19

Step by Step Solution

1. Step 1: Write the proportion equation
   60,740.71 : 91,124.01 = 21,300.19 : x
2. Step 2: Convert to fraction form
   60,740.71/91,124.01 = 21,300.19/x
3. Step 3: Cross multiply
   60,740.71x = 91,124.01 × 21,300.19
4. Step 4: Simplify right side
   60,740.71x = 1,940,958,726.56
5. Step 5: Solve for x
   x = 1,940,958,726.56/60,740.71
6. Step 6: Final answer
   x = 31,954.82