Finding the Fourth Proportional to 72,298.59, 108,466.58 and 42,338.13

Step by Step Solution

1. Step 1: Write the proportion equation
   72,298.59 : 108,466.58 = 42,338.13 : x
2. Step 2: Convert to fraction form
   72,298.59/108,466.58 = 42,338.13/x
3. Step 3: Cross multiply
   72,298.59x = 108,466.58 × 42,338.13
4. Step 4: Simplify right side
   72,298.59x = 4,592,272,164.70
5. Step 5: Solve for x
   x = 4,592,272,164.70/72,298.59
6. Step 6: Final answer
   x = 63,518.14