Finding the Fourth Proportional to 72,766.71, 100,402.91 and 42,546.16

Step by Step Solution

1. Step 1: Write the proportion equation
   72,766.71 : 100,402.91 = 42,546.16 : x
2. Step 2: Convert to fraction form
   72,766.71/100,402.91 = 42,546.16/x
3. Step 3: Cross multiply
   72,766.71x = 100,402.91 × 42,546.16
4. Step 4: Simplify right side
   72,766.71x = 4,271,758,060.59
5. Step 5: Solve for x
   x = 4,271,758,060.59/72,766.71
6. Step 6: Final answer
   x = 58,704.84