Finding the Fourth Proportional to 72,706.34, 100,334.50 and 42,485.63

Step by Step Solution

1. Step 1: Write the proportion equation
   72,706.34 : 100,334.50 = 42,485.63 : x
2. Step 2: Convert to fraction form
   72,706.34/100,334.50 = 42,485.63/x
3. Step 3: Cross multiply
   72,706.34x = 100,334.50 × 42,485.63
4. Step 4: Simplify right side
   72,706.34x = 4,262,773,835.35
5. Step 5: Solve for x
   x = 4,262,773,835.35/72,706.34
6. Step 6: Final answer
   x = 58,630.01