Finding the Fourth Proportional to 54,572.58, 81,870.84 and 49,061.34

Step by Step Solution

1. Step 1: Write the proportion equation
   54,572.58 : 81,870.84 = 49,061.34 : x
2. Step 2: Convert to fraction form
   54,572.58/81,870.84 = 49,061.34/x
3. Step 3: Cross multiply
   54,572.58x = 81,870.84 × 49,061.34
4. Step 4: Simplify right side
   54,572.58x = 4,016,693,117.33
5. Step 5: Solve for x
   x = 4,016,693,117.33/54,572.58
6. Step 6: Final answer
   x = 73,602.77