Finding the Fourth Proportional to 72,805.58, 100,502.71 and 48,946.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,805.58 : 100,502.71 = 48,946.10 : x
2. Step 2: Convert to fraction form
   72,805.58/100,502.71 = 48,946.10/x
3. Step 3: Cross multiply
   72,805.58x = 100,502.71 × 48,946.10
4. Step 4: Simplify right side
   72,805.58x = 4,919,215,693.93
5. Step 5: Solve for x
   x = 4,919,215,693.93/72,805.58
6. Step 6: Final answer
   x = 67,566.47