Finding the Fourth Proportional to 109,639.47, 151,302.42 and 59,338.47

Step by Step Solution

1. Step 1: Write the proportion equation
   109,639.47 : 151,302.42 = 59,338.47 : x
2. Step 2: Convert to fraction form
   109,639.47/151,302.42 = 59,338.47/x
3. Step 3: Cross multiply
   109,639.47x = 151,302.42 × 59,338.47
4. Step 4: Simplify right side
   109,639.47x = 8,978,053,887.58
5. Step 5: Solve for x
   x = 8,978,053,887.58/109,639.47
6. Step 6: Final answer
   x = 81,887.06