Finding the Fourth Proportional to 542,116.32, 813,214.41 and 142,754.32

Step by Step Solution

1. Step 1: Write the proportion equation
   542,116.32 : 813,214.41 = 142,754.32 : x
2. Step 2: Convert to fraction form
   542,116.32/813,214.41 = 142,754.32/x
3. Step 3: Cross multiply
   542,116.32x = 813,214.41 × 142,754.32
4. Step 4: Simplify right side
   542,116.32x = 116,089,870,113.75
5. Step 5: Solve for x
   x = 116,089,870,113.75/542,116.32
6. Step 6: Final answer
   x = 214,141.99