Finding the Fourth Proportional to 72,705.01, 100,291.93 and 42,483.91

Step by Step Solution

1. Step 1: Write the proportion equation
   72,705.01 : 100,291.93 = 42,483.91 : x
2. Step 2: Convert to fraction form
   72,705.01/100,291.93 = 42,483.91/x
3. Step 3: Cross multiply
   72,705.01x = 100,291.93 × 42,483.91
4. Step 4: Simplify right side
   72,705.01x = 4,260,793,327.85
5. Step 5: Solve for x
   x = 4,260,793,327.85/72,705.01
6. Step 6: Final answer
   x = 58,603.85