Finding the Fourth Proportional to 58,781.16, 81,127.98 and 34,920.72

Step by Step Solution

1. Step 1: Write the proportion equation
   58,781.16 : 81,127.98 = 34,920.72 : x
2. Step 2: Convert to fraction form
   58,781.16/81,127.98 = 34,920.72/x
3. Step 3: Cross multiply
   58,781.16x = 81,127.98 × 34,920.72
4. Step 4: Simplify right side
   58,781.16x = 2,833,047,473.75
5. Step 5: Solve for x
   x = 2,833,047,473.75/58,781.16
6. Step 6: Final answer
   x = 48,196.52